weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Air Quality Alert


COC013-123-001-031-059-035-005-014-069-242200-
Boulder-Weld-Adams-Denver-Jefferson-Douglas-Arapahoe-
Broomfield-Larimer-
1010 PM MDT Tue Jul 23 2024

...ACTION DAY FOR MULTIPLE POLLUTANTS FROM 400 PM TUESDAY UNTIL
400 PM WEDNESDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Action Day for Multiple Pollutants.

WHERE...Douglas, Jefferson, Denver, western Arapahoe, western
Adams, Broomfield, Boulder, Larimer, and Weld Counties

WHEN...400 PM Tuesday July 23 to 400 PM Wednesday July 24

IMPACTS...Action Day for Multiple Pollutants is now in effect for
the Front Range Urban Corridor. Request to limit driving gas and
diesel-powered vehicles is now in effect until at least 4 p.m.
Wednesday, July 24, 2024.  Warm and stagnant weather combined with
increasing amounts of out-of-state wildfire smoke will result in
ozone and fine particulate matter concentrations to possibly reach
Unhealthy levels for air quality for both Tuesday and Wednesday.
CDPHE requests that activities, such as driving non-ZEV vehicles
(i.e., gas or diesel), be reduced to lessen the impacts on air
quality. Additional air pollution in this region may directly
worsen air quality or contribute to precursors which may also
adversely affect air quality. For Colorado air quality conditions,
forecasts and advisories, visit:
https://www.colorado.gov/airquality/colorado_summary.aspx

HEALTH INFORMATION...People with heart or lung disease, older
adults, and children should avoid prolonged or heavy exertion and
limit time outdoors; everyone else should reduce prolonged or
heavy exertion and, while outside, take more breaks.

$$

COC073-039-121-047-093-095-075-087-115-019-241500-
Lincoln-Elbert-Washington-Gilpin-Park-Phillips-Logan-Morgan-
Sedgwick-Clear Creek-
1010 PM MDT Tue Jul 23 2024

...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 700 AM
TUESDAY UNTIL 900 AM WEDNESDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Air Quality Health Advisory for Wildfire Smoke.

WHERE...Logan, Sedgwick, Phillips, Morgan, Yuma, Washington,
Elbert, Lincoln, Kit Carson, Cheyenne, Crowley, Kiowa, Otero,
Bent, Prowers, Baca, Las Animas, Huerfano, Custer, Park, Clear
Creek and Gilpin Counties. Locations include, but are not limited
to Sterling, Julesburg, Holyoke, Fort Morgan, Wray, Akron, Kiowa,
Limon, Burlington, Cheyenne Wells, Ordway, Eads, La Junta, Las
Animas, Lamar, Springfield, Kim, Trinidad, Walsenburg, Westcliffe,
Fairplay, Georgetown and Central City.

WHEN...700 AM Tuesday July 23 to 900 AM Wednesday July 24

IMPACTS...Widespread wildfire smoke will impact the advisory area
through at least Wednesday morning.

HEALTH INFORMATION...Public Health Recommendations: If smoke is
thick or becomes thick in your neighborhood you may want to remain
indoors. This is especially true for those with heart disease,
respiratory illnesses, the very young, and older adults. Consider
limiting outdoor activity when moderate to heavy smoke is present.
Consider relocating temporarily if smoke is present indoors and is
making you ill. If visibility is less than 5 miles in smoke in
your neighborhood, smoke has reached levels that are unhealthy.

$$

COC089-011-027-009-099-025-055-061-071-241500-
Otero-Bent-Custer-Baca-Prowers-Crowley-Huerfano-Kiowa-Las
Animas-
1010 PM MDT Tue Jul 23 2024

...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 700 AM
TUESDAY UNTIL 900 AM WEDNESDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Air Quality Health Advisory for Wildfire Smoke.

WHERE...Logan, Sedgwick, Phillips, Morgan, Yuma, Washington,
Elbert, Lincoln, Kit Carson, Cheyenne, Crowley, Kiowa, Otero,
Bent, Prowers, Baca, Las Animas, Huerfano, Custer, Park, Clear
Creek and Gilpin Counties. Locations include, but are not limited
to Sterling, Julesburg, Holyoke, Fort Morgan, Wray, Akron, Kiowa,
Limon, Burlington, Cheyenne Wells, Ordway, Eads, La Junta, Las
Animas, Lamar, Springfield, Kim, Trinidad, Walsenburg, Westcliffe,
Fairplay, Georgetown and Central City.

WHEN...700 AM Tuesday July 23 to 900 AM Wednesday July 24

IMPACTS...Widespread wildfire smoke will impact the advisory area
through at least Wednesday morning.

HEALTH INFORMATION...Public Health Recommendations: If smoke is
thick or becomes thick in your neighborhood you may want to remain
indoors. This is especially true for those with heart disease,
respiratory illnesses, the very young, and older adults. Consider
limiting outdoor activity when moderate to heavy smoke is present.
Consider relocating temporarily if smoke is present indoors and is
making you ill. If visibility is less than 5 miles in smoke in
your neighborhood, smoke has reached levels that are unhealthy.

$$

COC041-043-119-101-241500-
El Paso-Fremont-Teller-Pueblo-
1010 PM MDT Tue Jul 23 2024

...AIR QUALITY HEALTH ADVISORY FOR MULTIPLE POLLUTANTS FROM 700 AM
TUESDAY UNTIL 900 AM WEDNESDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Air Quality Health Advisory for Multiple Pollutants.

WHERE...Teller, El Paso, Fremont, and Pueblo Counties. Locations
include, but are not limited to Woodland Park, Colorado Springs,
Monument, Canon City and Pueblo.

WHEN...700 AM Tuesday July 23 to 900 AM Wednesday July 24

IMPACTS...Heavy smoke will result in elevated concentrations of
both ozone and particle pollution through at least Wednesday
morning.

HEALTH INFORMATION...Public Health Recommendations: If smoke is
thick or becomes thick in your neighborhood you may want to remain
indoors. People with heart disease, respiratory illnesses, the
very young, and older adults should avoid prolonged or heavy
exertion and limit time outdoors. Everyone else should reduce
prolonged or heavy exertion and take more breaks while outside.
Consider relocating temporarily if smoke is present indoors and is
making you ill. If visibility is less than 5 miles in smoke in
your neighborhood, smoke has reached levels that are unhealthy.

$$

COC063-125-017-241500-
Kit Carson-Yuma-Cheyenne-
1010 PM MDT Tue Jul 23 2024

...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 700 AM
TUESDAY UNTIL 900 AM WEDNESDAY...

The Colorado Department of Public Health and Environment has
issued the following...

WHAT...Air Quality Health Advisory for Wildfire Smoke.

WHERE...Logan, Sedgwick, Phillips, Morgan, Yuma, Washington,
Elbert, Lincoln, Kit Carson, Cheyenne, Crowley, Kiowa, Otero,
Bent, Prowers, Baca, Las Animas, Huerfano, Custer, Park, Clear
Creek and Gilpin Counties. Locations include, but are not limited
to Sterling, Julesburg, Holyoke, Fort Morgan, Wray, Akron, Kiowa,
Limon, Burlington, Cheyenne Wells, Ordway, Eads, La Junta, Las
Animas, Lamar, Springfield, Kim, Trinidad, Walsenburg, Westcliffe,
Fairplay, Georgetown and Central City.

WHEN...700 AM Tuesday July 23 to 900 AM Wednesday July 24

IMPACTS...Widespread wildfire smoke will impact the advisory area
through at least Wednesday morning.

HEALTH INFORMATION...Public Health Recommendations: If smoke is
thick or becomes thick in your neighborhood you may want to remain
indoors. This is especially true for those with heart disease,
respiratory illnesses, the very young, and older adults. Consider
limiting outdoor activity when moderate to heavy smoke is present.
Consider relocating temporarily if smoke is present indoors and is
making you ill. If visibility is less than 5 miles in smoke in
your neighborhood, smoke has reached levels that are unhealthy.

$$

WAC007-019-047-260000-
Chelan-Ferry-Okanogan-
Including the cities of Wenatchee, Leavenworth, Cashmere, Entiat,
Chelan, Manson, Plain, Republic, Inchelium, Keller, Curlew,
Danville, Laurier, Omak, Okanogan, Tonasket, Brewster, Oroville,
Mazama, Winthrop, Methow, Twisp, and Conconully
451 PM PDT Tue Jul 23 2024

An Air Quality Alert has been issued by the following agencies:

Washington Department of Ecology
Colville Confederated Tribes

An Air Quality Alert, issued for all of Chelan County plus
the Methow Valley down to Brewster in Okanogan County as well as the
Colville Reservation will remain in effect until further notice, due
to expected smoke from the Pioneer Fire and other regional
wildfires. Particulate matter (PM2.5) may reach Unhealthy and
Unhealthy for Sensitive Groups levels.

Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.

Agricultural and outdoor burning restrictions are in effect.


$$

ILZ100>102-MOZ061>065-250100-
Madison IL-Saint Clair IL-Monroe IL-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, Washington, Union, Sullivan, and Saint Louis
332 PM CDT Tue Jul 23 2024

...AIR QUALITY ALERT IN EFFECT FROM 10 AM TO 8 PM CDT WEDNESDAY...

The St. Louis Clean Air Partnership has issued an air quality alert
for the St. Louis metropolitan area from 10 AM to 8 PM CDT
Wednesday.

An Orange air quality forecast means that maximum ozone
concentrations are expected to reach levels that pose a health risk.
Adverse health effects increase as air quality deteriorates. Ground-
level ozone is an air contaminant which can cause breathing
difficulties for children, older adults, as well as persons with
respiratory problems.

Reducing outdoor physical activity is recommended. If it is a
regularly scheduled work day you are urged to consider
telecommuting, carpooling, or utilizing public transit. Avoid
excessive idling and do not top off when refueling motor vehicles.
The use of gasoline-powered lawn equipment should be reduced or
postponed until late in the day.

For more information visit the St. Louis Clean Air Partnership at
http://cleanair-stlouis.com/

For current Air Quality Index (AQI) values visit
https://www.airnow.gov/

$$

Elmore

TXZ418-419-250300-
Western El Paso County-Eastern/Central El Paso County-
Including the cities of Downtown El Paso, West El Paso,
Upper Valley, East and Northeast El Paso, Socorro, and Fort Bliss
129 PM MDT Tue Jul 23 2024

...AIR QUALITY ALERT IN EFFECT FROM 6 AM TO 9 PM MDT WEDNESDAY...

The Texas Department of Environmental Quality (TCEQ) has issued an
Ozone Action Day for the El Paso Area, from 6 AM to 9 PM MDT
Wednesday.

Atmospheric conditions are expected to be favorable for producing
high levels of ozone pollution in the El Paso area. You can help
prevent ozone Pollution by sharing a ride, walking, riding a
bicycle, taking your lunch to work, avoiding drive through lanes,
conserving energy and keeping your vehicle properly tuned.
For more information on ozone:

OZONE: THE FACTS
www.tceq.texas.gov/airquality/monops/ozonefacts.html

EPA AIR NOW:
www.airnow.gov/index.cfm?action=airnow.local_city&cityid=236

TAKE CARE OF TEXAS:
www.takecareoftexas.org/air/airquality

$$

ROGERS

TXZ102>105-117>121-131-133>135-242230-

Air Quality Alert Message
Texas Commission on Environmental Quality
Relayed by National Weather Service Fort Worth TX
226 PM CDT Tue Jul 23 2024

...OZONE ACTION DAY...

The Texas Commission on Environmental Quality (TCEQ) has issued
an Ozone Action Day for the Dallas-Fort Worth area for Wednesday,
July 24, 2024.

Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Dallas-Fort Worth area
on Wednesday. You can help prevent ozone pollution by sharing a
ride, walking, riding a bicycle, taking your lunch to work,
avoiding drive-through lanes, conserving energy, and keeping your
vehicle properly tuned.

For more information on ozone:

Ozone: The Facts (www.tceq.texas.gov/goto/ozonefacts)

Air North Texas: (www.airnorthtexas.org)

EPA Air Now
(www.airnow.gov/index.cfm?action.local_state&STATEID=45&TAB=0)

Take care of Texas (www.takecareoftexas.org)

North Central Texas Council of Governments Air Quality
(www.nctcog.org/trans/air/index.asp)

$$

WYZ199-241900-
Sheridan Foothills-
Including the city of Sheridan
100 PM MDT Tue Jul 23 2024

...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT WEDNESDAY...

The following message is transmitted on behalf of the Wyoming
Department of Environmental Quality, Air Quality Division and the
Wyoming Department of Health.

WHAT...Air Quality Alert for Wildfire Smoke.

WHERE...Sheridan County, Wyoming.

WHEN...From 1 PM MDT today through 1 PM MDT Wednesday.

IMPACTS...Heavy smoke from wildfires in Montana, the Pacific
Northwest and Canada.

HEALTH INFORMATION...The Wyoming Department of Health recommends the
elderly, young children, and individuals with respiratory problems
avoid excessive physical exertion and minimize outdoor activities
during this time. Wildfire smoke is made up of a variety of
pollutants, including particulate matter and ozone, which can cause
respiratory health effects. Although these people are most
susceptible to health impacts, the Department of Health also advises
that everyone should avoid prolonged exposure to poor air quality
conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental
Quality, Air Quality Division offers near real-time air quality data
for Wyoming`s monitoring stations and health effects information to
help the public interpret current conditions. Current air quality
conditions across the state of Wyoming can be found at
http://www.wyvisnet.com/

$$

WYZ001>007-010>013-016>020-022>026-028>030-241900-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Upper Wind River Basin-Wind River Basin-
Lander Foothills-Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-
East Sweetwater County-
Including the cities of Lake, Mammoth, Old Faithful, Clark, Cody,
Meeteetse, Basin, Greybull, Lovell, Powell, Shell, Thermopolis,
Ten Sleep, Worland, Buffalo, Kaycee, Jackson, Dubois, Riverton,
Shoshoni, Lander, Jeffrey City, Casper, Afton, Alpine,
Star Valley Ranch, Thayne, Pinedale, La Barge, Big Piney, Farson,
Rock Springs, Green River, and Wamsutter
1254 PM MDT Tue Jul 23 2024

...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT WEDNESDAY...

The following message is transmitted on behalf of the Wyoming
Department of Environmental Quality, Air Quality Division, and the
Wyoming Department of Health.

* WHAT...Air Quality Alert for Wildfire Smoke.

* WHERE...Most of Western and Central Wyoming.

* WHEN...Until 1 PM Wednesday.

* IMPACTS...Smoke from wildfires burning across the Pacific Northwest
  continues to circulate clockwise around high pressure in the Great
  Basin. This smoke is limiting visibilities at times.

HEALTH INFORMATION...The Wyoming Department of Health recommends
that the elderly, young children, and individuals with respiratory
problems avoid excessive physical exertion and minimize outdoor
activities during this time. Wildfire smoke is made up of a variety
of pollutants, including particulate matter and ozone, which can
cause respiratory health effects. Although these people are most
susceptible to health impacts, the Department of Health also advises
that everyone should avoid prolonged exposure to poor air quality
conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental
Quality, Air Quality Division offers near real-time air quality data
for Wyoming`s monitoring stations and health effects information to
help the public interpret current conditions. Current air quality
conditions across the state of Wyoming can be found at
http://www.wyvisnet.com/.

$$

WYZ101>119-241730-
Converse County Lower Elevations-Niobrara County-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-East Platte County-
Goshen County-Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Sierra Madre Range-
Upper North Platte River Basin-Snowy Range-Laramie Valley-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, Lusk,
Redbird, Garrett, Seminoe Dam, Medicine Bow, Shirley Basin,
Bordeaux, Wheatland, Guernsey, Torrington, Rawlins, Arlington,
Elk Mountain, Baggs, Saratoga, Encampment, Centennial, Albany,
Bosler, Laramie, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal,
Horse Creek, Cheyenne, and Pine Bluffs
1130 AM MDT Tue Jul 23 2024

...AIR QUALITY ALERT IN EFFECT UNTIL 1 PM MDT WEDNESDAY...

The following message is transmitted on behalf of the Wyoming
Department of Environmental Quality, Air Quality Division and the
Wyoming Department of Health.

WHAT...Air Quality Alert for Wildfire Smoke.

WHERE...All of southeast Wyoming

WHEN...1 PM this afternoon until 1 PM Wednesday

IMPACTS...Heavy smoke from wildfires in Canada and the Northwestern
US.

HEALTH INFORMATION...The Wyoming Department of Health recommends the
elderly, young children, and individuals with respiratory problems
avoid excessive physical exertion and minimize outdoor activities
during this time. Wildfire smoke is made up of a variety of
pollutants, including particulate matter and ozone, which can cause
respiratory health effect. Although these people are most
susceptible to health impacts, the Department of Health also advises
that everyone should avoid prolonged exposure to poor air quality
conditions.

CURRENT CONDITIONS...The Wyoming Department of Environmental
Quality, Air Quality Division offers near real-time air quality data
for Wyoming`s monitoring stations and health effects information to
help the public interpret current conditions. Current air quality
conditions across the state of Wyoming can be found at
http://www.wyvisnet.com/

$$

WYZ054>060-241900-
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Weston County Plains-Newcastle-
Northeastern Crook-
Including the cities of Gillette, Recluse, Weston, Rozet, Wright,
Moorcroft, Hulett, Pine Haven, Keyhole Reservoir, Devils Tower,
Sundance, Four Corners, Rochelle, Clareton, Upton, Osage, Newcastle,
Colony, Beulah, and Aladdin
1046 AM MDT Tue Jul 23 2024

...THE WYOMING AIR QUALITY DIVISION HAS ISSUED AN AIR QUALITY ALERT
FOR WILDFIRE SMOKE IN EFFECT UNTIL 1 PM MDT WEDNESDAY...

The following message is transmitted in collaboration with the
Wyoming Department of Environmental Quality, Air Quality Division,
and the Wyoming Department of Health.

* WHAT...Air Quality Alert for Wildfire Smoke.

* WHERE...Northeast Wyoming.

* WHEN...Remains in effect now through 100 PM MDT Wednesday.

* IMPACTS...Poor air quality due to wildfire smoke.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The Wyoming Department of Health recommends the elderly, young
children, and individuals with respiratory problems avoid excessive
physical exertion and minimize outdoor activities during this time.
Wildfire smoke is made up of a variety of pollutants, including
particulate matter and ozone, which can cause respiratory health
effect. Although these people are most susceptible to health
impacts, the Department of Health also advises that everyone should
avoid prolonged exposure to poor air quality conditions.

&&

The Wyoming Department of Environmental Quality, Air Quality
Division offers near real-time air quality data for Wyoming`s
monitoring stations and health effects information to help the
public interpret current conditions. Current air quality conditions
across the state of Wyoming can be found at http://www.wyvisnet.com/

$$

ORC001-025-045-242100-
Baker-Harney-Malheur-
1030 AM MDT Tue Jul 23 2024 /930 AM PDT Tue Jul 23 2024/

...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Baker, Harney, and Malheur Counties...

* WHAT...High concentration of smoke particulates from wildfire
  smoke.

* WHERE...Baker, Harney, and Malheur Counties.

* WHEN....AIR QUALITY ALERT IN EFFECT UNTIL FRIDAY.

* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
  medical conditions. People most at risk to adverse health effects
  include infants, young children, people with heart or lung
  disease, older adults, and pregnant women.

* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
  weather. Check current conditions on the Oregon Smoke Information
  Blog, DEQ`s Air Quality Index, or by downloading the free
  OregonAIR app on your smartphone.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Stay inside if possible. Keep windows and doors closed.

* Avoid strenuous outdoor activity.

* Use high efficiency particulate air (HEPA) filters in indoor
  ventilation systems or portable air purifiers.

* Be aware of smoke in your area and avoid places with the highest
  levels.

* If you have heart or lung disease, or asthma, follow your
  healthcare provider`s advice.

For current Oregon air quality conditions, please visit:
https://oraqi.deq.state.or.us/home/map.

For additional information, please visit:
https://www.oregon.gov/deq

$$

IDC001-027-045-073-075-087-242100-
Ada-Canyon-Gem-Owyhee-Payette-Washington-
1030 AM MDT Tue Jul 23 2024

...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Canyon, Gem, Owyhee, Payette, and Washington
Counties...

* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke.

Air Quality Index is forecast to be Unhealthy.

* WHERE...Ada, Canyon, Gem, Owyhee, Payette, and Washington
Counties.

* WHEN....AIR QUALITY ALERT IN EFFECT UNTIL 3 PM MDT WEDNESDAY.

* IMPACTS...Some members of the general public may experience health
  effects; members of sensitive groups may experience more serious
  health effects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.

THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
  Boise Regional Office at (208) 373-0550

$$

AZC013-250400-

Air Quality Alert
Relayed by National Weather Service Phoenix AZ
831 AM MST Tue Jul 23 2024


...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA THROUGH WEDNESDAY...

The Arizona Department of Environmental Quality (ADEQ) has extended
the Ozone High Pollution Advisory for the Phoenix Metro Area through
Wednesday.

This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.

Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.

You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.

For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.

$$

MTC003-005-011-017-019-021-025-033-035-041-051-055-071-
075-079-083-085-087-091-101-103-105-109-241400-

Air Quality Alert
Relayed by National Weather Service Great Falls MT
754 AM MDT Tue Jul 23 2024

...AIR QUALITY ALERT IN EFFECT...

The Montana Department of Environmental Quality has issued an air
quality alert for Big Horn, Blaine, Carter, Custer, Daniels, Dawson,
Fallon, Garfield, Glacier, Hill, Liberty, McCone, Phillips, Powder
River, Prairie, Richland, Roosevelt, Rosebud, Sheridan, Toole,
Treasure, Valley, and Wibaux counties in effect until 8AM 7/24/2024
elevated particulate levels from wildfire smoke This alert will be
updated again at 800am 7/24/2024.

An Air Quality Alert means that particulates have been trending
upwards and that an exceedence of the 24 hour National Ambient Air
Quality Standard (NAAQS) has occurred or may occur in the near
future.

As of 8AM, Particulate levels in Broadus and Cut Bank are Unhealthy
for Sensitive Groups

As of 8AM, Particulate levels in Malta are Moderate

When air quality is Unhealthy for Sensitive Groups... State and local
health officials recommend that people with respiratory or heart
disease, the elderly and children should limit prolonged exertion.

When air quality is Moderate... State and local health officials
recommend that unusually sensitive people should consider reducing
prolonged or heavy exertion.

For more information visit the Montana Department of Environmental
Quality at http://todaysair.mtdeq.us



$$

ORC013-023-049-059-061-069-242100-
Crook-Grant-Morrow-Umatilla-Union-Wheeler-
Including the cities of Prineville, Post, Paulina, John Day,
Monument, Dayville, Long Creek, Seneca, Boardman, Heppner,
Lexington, Ione, Irrigon, Hermiston, Milton-Freewater, Pendleton,
Athena, Pilot Rock, Stanfield, Umatilla, Ukiah, Helix, La Grande,
Elgin, Union, North Powder, Fossil, Spray, and Mitchell
1132 AM PDT Mon Jul 22 2024

...AIR QUALITY ADVISORY IN EFFECT UNTIL FURTHER NOTICE...

Oregon Department of Environmental Quality has issued an Air Quality
Advisory...IN EFFECT UNTIL FURTHER NOTICE.

A Smoke Air Quality Advisory has been issued. Wildfires burning in
the region combined with forecasted conditions will cause air
quality to reach unhealthy levels.

Pollutants in smoke can cause burning eyes...runny nose...aggravate
heart and lung diseases...and aggravate other serious health
problems.  Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.

 For additional information...please visit the Web site at
http://www.oregon.gov/DEQ

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE