Stay updated with real-time air quality in Washington Court House, Ohio featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
36
Good
Washington Court House, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.13 μg/m³
0
55
155
255
425
605+
38.78 ppb
0
55
71
86
201
201+
2.98 ppb
0
36
76
186
605
1005+
7.91 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Washington Court House, Ohio
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AQI 37
Good
4.50μg/m³
PM2.5
16.51μg/m³
PM10
39.99ppb
O3
1.22ppb
SO2
6.83ppb
NO2
0.14ppm
CO
AQI 36
Good
4.64μg/m³
PM2.5
16.75μg/m³
PM10
38.60ppb
O3
1.36ppb
SO2
8.03ppb
NO2
0.17ppm
CO
AQI 36
Good
4.44μg/m³
PM2.5
16.51μg/m³
PM10
38.99ppb
O3
4.13ppb
SO2
7.11ppb
NO2
0.17ppm
CO
AQI 34
Good
4.87μg/m³
PM2.5
20.35μg/m³
PM10
37.35ppb
O3
3.82ppb
SO2
7.32ppb
NO2
0.16ppm
CO
AQI 37
Good
4.55μg/m³
PM2.5
17.32μg/m³
PM10
40.00ppb
O3
1.22ppb
SO2
5.53ppb
NO2
0.14ppm
CO
AQI 34
Good
5.06μg/m³
PM2.5
20.61μg/m³
PM10
36.76ppb
O3
3.78ppb
SO2
9.92ppb
NO2
0.19ppm
CO
The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Washington Court House, Ohio are available every hour.
Washington Court House, Ohio experienced its worst air quality at 03:00:00, 2026-03-09.
The best air quality in Washington Court House, Ohio was observed at 09:00:00 on 2026-03-09.
The air quality in Washington Court House, Ohio right now is Good, with an AQI of 36.
In Washington Court House, Ohio, O3 is the most frequently found pollutant.
When air quality in Washington Court House, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Washington Court House, Ohio currently has a PM2.5 concentration of 3.749 μg/m3.
Washington Court House, Ohio currently has a PM10 concentration of 16.134 μg/m3.
The current carbon monoxide (CO) level in Washington Court House, Ohio is 0.153 ppm.
The current sulfur dioxide (SO2) concentration in Washington Court House, Ohio is 2.976 ppb.
Washington Court House, Ohio currently has an ozone (O3) concentration of 38.783 ppm.
The current level of nitrogen dioxide (NO2) in Washington Court House, Ohio is 7.91 ppb.
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