Air Quality Alert
OHZ066-067-075-076-083>087-170500-
Perry-Morgan-Athens-Washington-Jackson OH-Vinton-Meigs-Gallia-
Lawrence OH-
Including the cities of New Lexington, Crooksville, Somerset,
McConnelsville, Stockport, Athens, Marietta, Belpre, Jackson,
Wellston, Oak Hill, McArthur, Hamden, Pomeroy, Gallipolis, Ironton,
Lake Vesuvius, and South Point
949 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The Ohio Environmental Protection Agency has issued an Air Quality
Advisory for the entire state of Ohio, from 7 AM Thursday to
midnight EDT Thursday night.
Smoke from Canadian wildfires will adversely impact air quality. The
Agency expects the Air Quality Index to be in the `unhealthy` range.
For additional actions and information, please visit the Ohio
Environmental Protection Agency`s web site at epa.ohio.gov
$$
OHZ042-043-051-053-060>062-170415-
Darke-Shelby-Miami-Clark-Preble-Montgomery-Greene-
Including the cities of Greenville, Sidney, Troy, Piqua, Tipp City,
Springfield, Eaton, Camden, Downtown Dayton, Kettering, Beavercreek,
Fairborn, and Xenia
1053 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The Miami Valley Regional Planning Commission and the Regional Air
Pollution Control Agency have issued an Air Quality Alert for Clark,
Darke, Greene, Miami, Montgomery, Preble, and Shelby counties in the
Miami Valley Region, through midnight EDT tonight.
Fine particulate levels are expected to be in the Unhealthy range.
Active children and adults, and people with respiratory disease, such
as asthma should limit prolonged outdoor exposure.
For additional actions and information, visit miamivalleyair.org or
call 937-223-6323.
Additionally, smoke from Canadian wildfires will adversely impact
air quality today. The Ohio Environmental Protection Agency expects
the Air Quality Index to be in the `unhealthy` range.
For additional information, please visit the Ohio Environmental
Protection Agency`s website at epa.ohio.gov.
$$
OHZ026-034-035-044-045-052-054-063-064-072>074-079>082-088-170415-
Hardin-Mercer-Auglaize-Logan-Union-Champaign-Madison-Fayette-
Pickaway-Clinton-Ross-Hocking-Brown-Highland-Adams-Pike-Scioto-
Including the cities of Kenton, Ada, Celina, Coldwater, Wapakoneta,
St. Marys, New Bremen, Minster, Bellefontaine, Marysville, Urbana,
London, West Jefferson, Plain City, Washington Court House,
Circleville, Wilmington, Blanchester, Chillicothe, Logan,
Georgetown, Mount Orab, Ripley, Aberdeen, Hillsboro, Greenfield,
West Union, Manchester, Peebles, Seaman, Winchester, Waverly,
Pike Lake, Piketon, Portsmouth, and Wheelersburg
1053 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The Ohio Environmental Protection Agency has issued an Air Quality
Advisory for the entire state of Ohio, until midnight EDT tonight.
Smoke from Canadian wildfires will adversely impact air quality
today. The Ohio Environmental Protection Agency expects the Air
Quality Index to be in the `unhealthy` range.
For additional information, please visit the Ohio Environmental
Protection Agency`s website at epa.ohio.gov.
$$
OHZ046-055-056-065-170415-
Delaware-Franklin-Licking-Fairfield-
Including the cities of Delaware, Downtown Columbus, Newark,
Lancaster, and Pickerington
1053 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The Mid-Ohio Regional Planning Commission has issued an Air Quality
Alert for Delaware, Fairfield, Franklin and Licking counties in
Central Ohio, until midnight EDT tonight.
Levels of ozone within the region may approach or exceed unhealthy
standards.
On Alert days, help reduce ozone by taking the following actions:
* Carpool, if possible, bike, walk or take the bus instead of
driving alone.
* Refuel your vehicle after 8 pm.
* Do not idle your vehicle, exhaust contributes to air pollution.
* Mow your lawn in the evening hours and avoid the use of
gas-powered lawn equipment.
For additional information, please visit the Mid-Ohio Regional
Planning Commission`s website at morpc.org/airquality
Additionally, smoke from Canadian wildfires will adversely impact
air quality today. The Ohio Environmental Protection Agency expects
the Air Quality Index to be in the `unhealthy` range.
For additional information, please visit the Ohio Environmental
Protection Agency`s website at epa.ohio.gov.
$$
OHZ039>041-048>050-057>059-068-069-170400-
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH-
Muskingum-Guernsey-Belmont-Noble-Monroe-
Including the cities of New Philadelphia, Dover, Carrollton,
Malvern, East Liverpool, Salem, Columbiana, Coshocton, Cadiz,
Steubenville, Zanesville, Cambridge, Martins Ferry, St. Clairsville,
Caldwell, and Woodsfield
1001 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The Ohio Environmental Protection Agency has issued an Air Quality
Advisory for the entire state of Ohio until midnight EDT tonight.
Smoke from Canadian wildfires will adversely impact air quality. The
Agency expects the Air Quality Index to be in the `unhealthy` range.
For additional actions and information, please visit the Ohio
Environmental Protection Agency`s web site at epa.ohio.gov.
$$
PAZ008-009-013-015-016-031-170400-
Venango-Forest-Lawrence-Clarion-Jefferson PA-Greene-
Including the cities of Oil City, Franklin, Tionesta, New Castle,
Ellwood City, Clarion, Punxsutawney, Brookville, and Waynesburg
1001 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The Pennsylvania Department of Environmental Protection has issued a
Code Red Air Quality Alert for Fine Particulates until midnight EDT
tonight.
A code RED air quality alert means that air pollution concentrations
within the local region are unhealthful for the general population.
The effects of air pollution can be minimized by avoiding outdoor
exercise or strenuous activity.
For more information on ground-level ozone and fine particles, visit
http://www.airnow.gov and https://www.ahs.dep.pa.gov/AQPartnersWeb/.
$$
WVZ001>004-170400-
Hancock-Brooke-Ohio-Marshall-
Including the cities of Weirton, Follansbee, Wellsburg, Wheeling,
and Moundsville
1001 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
The West Virginia Department of Environmental Protection has issued
a Code Orange Air Quality Alert due to elevated particulate matter
from Canadian wildfire smoke across West Virginia.
An Air Quality Advisory means that Fine Particulates concentrations
within the region may approach or exceed unhealthy standards. For
additional information, please visit the West Virginia Department of
Environmental Protection - Air Quality Division website
at: https://www.airnow.gov/.
$$
MLB
PAZ014-020>022-029-073>076-170000-
Allegheny-Butler-Beaver-Armstrong-Washington-Westmoreland-Fayette-
Including the cities of Butler, Aliquippa, Beaver Falls, Ambridge,
Monaca, Pittsburgh Metro Area, Kittanning, Ford City, Washington,
Canonsburg, Murrysville, Greensburg, New Kensington, Lower Burrell,
Latrobe, Monessen, Ligonier, and Donegal
900 AM EDT Thu Jul 16 2026
...AIR QUALITY ALERT IN EFFECT FOR THURSDAY JULY 16...
The Pennsylvania Department of Environmental Protection has
issued a code RED air quality alert for Thursday, for the greater
Pittsburgh region, including Allegheny, Butler, Beaver, Armstrong,
Washington, Westmoreland and Fayette counties.
A code RED air quality alert means that air pollution
concentrations within the local region are unhealthful for the
general population. The effects of air pollution can be minimized
by avoiding outdoor exercise or strenuous activity.
For more information on ground-level ozone and
fine particles, visit http://www.airnow.gov and
https://www.ahs.dep.pa.gov/AQPartnersWeb/
$$
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-170400-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin-
Juniata-Somerset-Bedford-Fulton-Franklin-Tioga-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
318 PM EDT Wed Jul 15 2026
...AIR QUALITY ALERT IN EFFECT THURSDAY AND FRIDAY...
The Pennsylvania Department of Environmental Protection has issued a
Code RED Air Quality Alert for all of Central Pennsylvania for
Thursday, July 16th.
The Pennsylvania Department of Environmental Protection has issued a
Code ORANGE Air Quality Alert for all of Central Pennsylvania for
Friday, July 17th.
Wildfire smoke from Ontario Canada and Minnesota will enter the
Commonwealth from north to south this afternoon and linger through
Friday.
Everyone may experience health effects. Members of sensitive groups
may experience more serious health effects.
For more information on ground-level ozone and fine particles, visit
www.airnow.gov, and www.aqpartners.state.pa.us.
$$
MRS/NPB
