Stay updated with real-time air quality in Washington, Indiana 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)
52
Moderate
Washington, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.35 μg/m³
0
55
155
255
425
605+
28.29 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
4.03 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Washington, Indiana
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AQI 52
Moderate
9.89μg/m³
PM2.5
24.92μg/m³
PM10
27.09ppb
O3
0.37ppb
SO2
4.02ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.54μg/m³
PM2.5
17.66μg/m³
PM10
28.01ppb
O3
0.42ppb
SO2
5.21ppb
NO2
0.19ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
23.19μg/m³
PM10
29.75ppb
O3
0.41ppb
SO2
5.90ppb
NO2
0.19ppm
CO
AQI 49
Good
9.48μg/m³
PM2.5
42.88μg/m³
PM10
32.39ppb
O3
0.52ppb
SO2
5.32ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
29.35μg/m³
PM10
26.37ppb
O3
0.41ppb
SO2
1.05ppb
NO2
0.20ppm
CO
AQI 33
Good
6.05μg/m³
PM2.5
25.38μg/m³
PM10
24.02ppb
O3
0.30ppb
SO2
4.13ppb
NO2
0.18ppm
CO
The air quality data for Indiana, 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, Indiana are available every hour.
Washington, Indiana experienced its worst air quality at 08:00:00, 2026-03-09.
The best air quality in Washington, Indiana was observed at 11:00:00 on 2026-03-09.
The air quality in Washington, Indiana right now is Moderate, with an AQI of 52.
In Washington, Indiana, PM2.5 is the most frequently found pollutant.
When air quality in Washington, Indiana is compromised, staying indoors and wearing a mask can reduce health risks.
Washington, Indiana currently has a PM2.5 concentration of 10.172 μg/m3.
Washington, Indiana currently has a PM10 concentration of 29.353 μg/m3.
The current carbon monoxide (CO) level in Washington, Indiana is 0.189 ppm.
The current sulfur dioxide (SO2) concentration in Washington, Indiana is 0.381 ppb.
Washington, Indiana currently has an ozone (O3) concentration of 28.291 ppm.
The current level of nitrogen dioxide (NO2) in Washington, Indiana is 4.032 ppb.
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