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)
27
Good
Washington Court House, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.26 μg/m³
0
55
155
255
425
605+
17.48 ppb
0
55
71
86
201
201+
2.00 ppb
0
36
76
186
605
1005+
5.10 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Washington Court House, Ohio
Washington Court House, Ohio
Scroll To Air Quality MapLoading...
AQI 33
Good
5.88μg/m³
PM2.5
19.73μg/m³
PM10
17.14ppb
O3
2.11ppb
SO2
5.65ppb
NO2
0.30ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
13.01μg/m³
PM10
12.48ppb
O3
1.99ppb
SO2
4.26ppb
NO2
0.32ppm
CO
AQI 27
Good
5.12μg/m³
PM2.5
16.36μg/m³
PM10
16.91ppb
O3
1.78ppb
SO2
5.55ppb
NO2
0.32ppm
CO
AQI 33
Good
5.50μg/m³
PM2.5
16.85μg/m³
PM10
13.41ppb
O3
1.68ppb
SO2
6.30ppb
NO2
0.31ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
18.06μg/m³
PM10
20.83ppb
O3
2.16ppb
SO2
5.75ppb
NO2
0.30ppm
CO
AQI 27
Good
5.09μg/m³
PM2.5
9.86μg/m³
PM10
16.23ppb
O3
1.83ppb
SO2
3.28ppb
NO2
0.31ppm
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, 2026-09-07.
The best air quality in Washington Court House, Ohio was observed at 12:00:00 on 2026-09-07.
The air quality in Washington Court House, Ohio right now is Good, with an AQI of 27.
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 5.262 μg/m3.
Washington Court House, Ohio currently has a PM10 concentration of 15.259 μg/m3.
The current carbon monoxide (CO) level in Washington Court House, Ohio is 0.319 ppm.
The current sulfur dioxide (SO2) concentration in Washington Court House, Ohio is 2.002 ppb.
Washington Court House, Ohio currently has an ozone (O3) concentration of 17.479 ppm.
The current level of nitrogen dioxide (NO2) in Washington Court House, Ohio is 5.099 ppb.
All Rights Reserved © Ambee Inc. 2025