Ohio

United States

2026-04-17 22:00
AQI (India)
Moderately polluted
O3
μg/m³
127.5
NO2
μg/m³
18.4
PM10
μg/m³
17.7
CO
μg/m³
265.6
PM2.5
μg/m³
3.7
SO2
μg/m³
1.7
Weather
25℃
44%
8 kph
0 of 11
Historical Data
Places included
Adams County
AQI 18
Allen County
AQI 143
Ashland County
AQI 6
Ashtabula County
AQI 90
Athens County
AQI 6
Auglaize County
AQI 1
Belmont County
AQI 7
Brown County
AQI 17
Butler County
AQI 165
Carroll County
AQI 13
Champaign County
AQI 9
Clark County
AQI 161
Clermont County
AQI 20
Clinton County
AQI 7
Columbiana County
AQI 7
Coshocton County
AQI 126
Crawford County
AQI 15
Cuyahoga County
AQI 89
Darke County
AQI 17
Defiance County
AQI 18
Delaware County
AQI 139
Erie County
AQI 14
Fairfield County
AQI 31
Fayette County
AQI 153
Franklin County
AQI 168
Fulton County
AQI 11
Gallia County
AQI 8
Geauga County
AQI 9
Greene County
AQI 171
Guernsey County
AQI 147
Hamilton County
AQI 156
Hancock County
AQI 1
Hardin County
AQI 1
Harrison County
AQI 7
Henry County
AQI 16
Highland County
AQI 89
Hocking County
AQI 6
Holmes County
AQI 144
Huron County
AQI 16
Jackson County
AQI 20
Jefferson County
AQI 146
Knox County
AQI 165
Lake County
AQI 83
Lawrence County
AQI 144
Licking County
AQI 150
Logan County
AQI 134
Lorain County
AQI 90
Lucas County
AQI 131
Madison County
AQI 31
Mahoning County
AQI 139
Marion County
AQI 80
Medina County
AQI 149
Meigs County
AQI 16
Mercer County
AQI 22
Miami County
AQI 17
Monroe County
AQI 6
Montgomery County
AQI 168
Morgan County
AQI 6
Morrow County
AQI 138
Muskingum County
AQI 16
Noble County
AQI 152
Ottawa County
AQI 11
Paulding County
AQI 122
Perry County
AQI 6
Pickaway County
AQI 31
Pike County
AQI 20
Portage County
AQI 8
Preble County
AQI 139
Putnam County
AQI 1
Richland County
AQI 16
Ross County
AQI 16
Sandusky County
AQI 11
Scioto County
AQI 27
Seneca County
AQI 14
Shelby County
AQI 141
Stark County
AQI 158
Summit County
AQI 143
Trumbull County
AQI 124
Tuscarawas County
AQI 13
Union County
AQI 31
Van Wert County
AQI 21
Vinton County
AQI 14
Warren County
AQI 180
Washington County
AQI 136
Wayne County
AQI 10
Williams County
AQI 19
Wood County
AQI 149
Wyandot County
AQI 14
Data Sources

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android