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)
56
Moderate
Washington, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.90 μg/m³
0
55
155
255
425
605+
50.64 ppb
0
55
71
86
201
201+
2.27 ppb
0
36
76
186
605
1005+
15.77 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Washington, Indiana
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AQI 58
Moderate
12.58μg/m³
PM2.5
55.45μg/m³
PM10
54.71ppb
O3
2.30ppb
SO2
15.28ppb
NO2
0.29ppm
CO
AQI 56
Moderate
12.08μg/m³
PM2.5
31.76μg/m³
PM10
47.08ppb
O3
2.34ppb
SO2
17.70ppb
NO2
0.32ppm
CO
AQI 62
Moderate
14.59μg/m³
PM2.5
67.19μg/m³
PM10
51.69ppb
O3
0.65ppb
SO2
17.80ppb
NO2
0.38ppm
CO
AQI 64
Moderate
16.38μg/m³
PM2.5
72.91μg/m³
PM10
51.40ppb
O3
0.83ppb
SO2
16.24ppb
NO2
0.38ppm
CO
AQI 54
Moderate
11.22μg/m³
PM2.5
37.41μg/m³
PM10
49.29ppb
O3
0.78ppb
SO2
15.71ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.90μg/m³
PM2.5
23.06μg/m³
PM10
50.01ppb
O3
1.70ppb
SO2
13.74ppb
NO2
0.30ppm
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 01:00:00, 2026-04-23.
The best air quality in Washington, Indiana was observed at 04:00:00 on 2026-04-23.
The air quality in Washington, Indiana right now is Moderate, with an AQI of 56.
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 12.321 μg/m3.
Washington, Indiana currently has a PM10 concentration of 51.902 μg/m3.
The current carbon monoxide (CO) level in Washington, Indiana is 0.308 ppm.
The current sulfur dioxide (SO2) concentration in Washington, Indiana is 2.267 ppb.
Washington, Indiana currently has an ozone (O3) concentration of 50.64 ppm.
The current level of nitrogen dioxide (NO2) in Washington, Indiana is 15.77 ppb.
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