Air quality in Downers Grove
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
18 µg/m³
WHO guideline 15
PM10
18.1 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
9:00 PM
💨
PM2.5 18 µg/m³
63 Moderate
10:00 PM
💨
PM2.5 20.4 µg/m³
68 Moderate
11:00 PM
💨
PM2.5 22.4 µg/m³
73 Moderate
12:00 AM
💨
PM2.5 23.2 µg/m³
74 Moderate
1:00 AM
💨
PM2.5 23.7 µg/m³
75 Moderate
2:00 AM
💨
PM2.5 24.8 µg/m³
78 Moderate
3:00 AM
💨
PM2.5 26.4 µg/m³
81 Moderate
4:00 AM
💨
PM2.5 27.2 µg/m³
83 Moderate
5:00 AM
💨
PM2.5 28.6 µg/m³
86 Moderate
6:00 AM
💨
PM2.5 30.5 µg/m³
90 Moderate
7:00 AM
💨
PM2.5 32.7 µg/m³
94 Moderate
8:00 AM
💨
PM2.5 34 µg/m³
97 Moderate
Next few days daily max · US EPA AQI
Mon
💨
Moderate · UV Moderate
73
Tue
💨
Moderate · UV Moderate
97
Wed
💨
Moderate · UV Low
62
Fri
💨
Good · UV Moderate
26
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain