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)
64
Moderate
Washington Court House, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.37 μg/m³
0
55
155
255
425
605+
38.19 ppb
0
55
71
86
201
201+
3.91 ppb
0
36
76
186
605
1005+
9.28 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Washington Court House, Ohio
Washington Court House, Ohio
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AQI 56
Moderate
12.45μg/m³
PM2.5
43.59μg/m³
PM10
31.83ppb
O3
2.37ppb
SO2
8.26ppb
NO2
0.14ppm
CO
AQI 58
Moderate
12.53μg/m³
PM2.5
42.38μg/m³
PM10
28.39ppb
O3
2.21ppb
SO2
10.38ppb
NO2
0.17ppm
CO
AQI 56
Moderate
12.14μg/m³
PM2.5
35.73μg/m³
PM10
32.49ppb
O3
2.02ppb
SO2
10.76ppb
NO2
0.18ppm
CO
AQI 58
Moderate
12.51μg/m³
PM2.5
57.00μg/m³
PM10
43.75ppb
O3
0.54ppb
SO2
0.79ppb
NO2
0.18ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
41.16μg/m³
PM10
30.01ppb
O3
2.41ppb
SO2
7.15ppb
NO2
0.15ppm
CO
AQI 56
Moderate
12.02μg/m³
PM2.5
24.96μg/m³
PM10
31.70ppb
O3
2.07ppb
SO2
10.97ppb
NO2
0.14ppm
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 04:00:00, 2026-08-10.
The best air quality in Washington Court House, Ohio was observed at 08:00:00 on 2026-08-10.
The air quality in Washington Court House, Ohio right now is Moderate, with an AQI of 62.
In Washington Court House, Ohio, PM2.5 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 14.989 μg/m3.
Washington Court House, Ohio currently has a PM10 concentration of 49.404 μg/m3.
The current carbon monoxide (CO) level in Washington Court House, Ohio is 0.182 ppm.
The current sulfur dioxide (SO2) concentration in Washington Court House, Ohio is 2.553 ppb.
Washington Court House, Ohio currently has an ozone (O3) concentration of 38.45 ppm.
The current level of nitrogen dioxide (NO2) in Washington Court House, Ohio is 9.321 ppb.
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