Air quality in Greater Grand Crossing
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
11 µg/m³
WHO guideline 15
PM10
11.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 11 µg/m³
156Unhealthy
4:00 PM
💨
PM2.5 12.2 µg/m³
150Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 12.7 µg/m³
135Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 13.3 µg/m³
108Unhealthy for Sensitive Groups
7:00 PM
💨
PM2.5 12 µg/m³
85Moderate
8:00 PM
💨
PM2.5 11.2 µg/m³
58Moderate
9:00 PM
💨
PM2.5 10.9 µg/m³
45Good
10:00 PM
💨
PM2.5 10.3 µg/m³
43Good
11:00 PM
💨
PM2.5 9.7 µg/m³
40Good
12:00 AM
💨
PM2.5 9.2 µg/m³
40Good
1:00 AM
💨
PM2.5 8.9 µg/m³
40Good
2:00 AM
💨
PM2.5 8.6 µg/m³
39Good
Next few days
daily max · US EPA AQI
Mon
💨
Unhealthy · UV Moderate
156
Tue
💨
Unhealthy for Sensitive Groups · UV High
113
Wed
💨
Unhealthy · UV High
177
Thu
💨
Unhealthy · UV High
181
Fri
💨
Moderate · UV Very high
77