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)
54
Moderate
Washington, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.51 μg/m³
0
55
155
255
425
605+
36.29 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
5.63 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Washington, Indiana
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AQI 52
Moderate
10.46μg/m³
PM2.5
43.51μg/m³
PM10
38.69ppb
O3
0.44ppb
SO2
6.10ppb
NO2
0.34ppm
CO
AQI 66
Moderate
16.70μg/m³
PM2.5
31.22μg/m³
PM10
28.14ppb
O3
0.51ppb
SO2
7.24ppb
NO2
0.35ppm
CO
AQI 54
Moderate
10.79μg/m³
PM2.5
39.36μg/m³
PM10
27.14ppb
O3
0.48ppb
SO2
6.85ppb
NO2
0.33ppm
CO
AQI 54
Moderate
10.89μg/m³
PM2.5
47.93μg/m³
PM10
28.29ppb
O3
0.43ppb
SO2
6.15ppb
NO2
0.29ppm
CO
AQI 56
Moderate
12.49μg/m³
PM2.5
43.71μg/m³
PM10
31.29ppb
O3
0.47ppb
SO2
6.60ppb
NO2
0.49ppm
CO
AQI 32
Good
5.03μg/m³
PM2.5
18.01μg/m³
PM10
35.03ppb
O3
0.29ppb
SO2
5.53ppb
NO2
0.28ppm
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, 2026-06-09.
The best air quality in Washington, Indiana was observed at 10:00:00 on 2026-06-09.
The air quality in Washington, Indiana right now is Moderate, with an AQI of 54.
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 11.321 μg/m3.
Washington, Indiana currently has a PM10 concentration of 30.506 μg/m3.
The current carbon monoxide (CO) level in Washington, Indiana is 0.335 ppm.
The current sulfur dioxide (SO2) concentration in Washington, Indiana is 0.407 ppb.
Washington, Indiana currently has an ozone (O3) concentration of 36.288 ppm.
The current level of nitrogen dioxide (NO2) in Washington, Indiana is 5.628 ppb.
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