Ohio

United States

2026-04-17 16:00
AQI (India)
Moderately polluted
O3
μg/m³
100.9
NO2
μg/m³
30.9
PM10
μg/m³
19.5
CO
μg/m³
234.4
PM2.5
μg/m³
5.4
SO2
μg/m³
5.2
Weather
22℃
65%
5 kph
7 of 11
Historical Data
Places included
Adams County
AQI 26
Allen County
AQI 120
Ashland County
AQI 9
Ashtabula County
AQI 80
Athens County
AQI 9
Auglaize County
AQI 4
Belmont County
AQI 11
Brown County
AQI 22
Butler County
AQI 118
Carroll County
AQI 23
Champaign County
AQI 9
Clark County
AQI 120
Clermont County
AQI 27
Clinton County
AQI 15
Columbiana County
AQI 11
Coshocton County
AQI 73
Crawford County
AQI 16
Cuyahoga County
AQI 80
Darke County
AQI 26
Defiance County
AQI 18
Delaware County
AQI 99
Erie County
AQI 16
Fairfield County
AQI 18
Fayette County
AQI 86
Franklin County
AQI 120
Fulton County
AQI 16
Gallia County
AQI 58
Geauga County
AQI 13
Greene County
AQI 124
Guernsey County
AQI 101
Hamilton County
AQI 107
Hancock County
AQI 4
Hardin County
AQI 4
Harrison County
AQI 11
Henry County
AQI 22
Highland County
AQI 57
Hocking County
AQI 9
Holmes County
AQI 74
Huron County
AQI 16
Jackson County
AQI 31
Jefferson County
AQI 78
Knox County
AQI 120
Lake County
AQI 81
Lawrence County
AQI 114
Licking County
AQI 96
Logan County
AQI 71
Lorain County
AQI 90
Lucas County
AQI 84
Madison County
AQI 18
Mahoning County
AQI 102
Marion County
AQI 48
Medina County
AQI 93
Meigs County
AQI 17
Mercer County
AQI 22
Miami County
AQI 24
Monroe County
AQI 7
Montgomery County
AQI 127
Morgan County
AQI 9
Morrow County
AQI 76
Muskingum County
AQI 16
Noble County
AQI 127
Ottawa County
AQI 17
Paulding County
AQI 82
Perry County
AQI 9
Pickaway County
AQI 18
Pike County
AQI 30
Portage County
AQI 9
Preble County
AQI 120
Putnam County
AQI 4
Richland County
AQI 16
Ross County
AQI 17
Sandusky County
AQI 16
Scioto County
AQI 48
Seneca County
AQI 15
Shelby County
AQI 80
Stark County
AQI 104
Summit County
AQI 102
Trumbull County
AQI 102
Tuscarawas County
AQI 23
Union County
AQI 18
Van Wert County
AQI 21
Vinton County
AQI 15
Warren County
AQI 108
Washington County
AQI 108
Wayne County
AQI 16
Williams County
AQI 20
Wood County
AQI 88
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