Air quality in Norcross
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
21.4 µg/m³
WHO guideline 15
PM10
21.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 21.4 µg/m³
71Moderate
4:00 AM
💨
PM2.5 21.6 µg/m³
71Moderate
5:00 AM
💨
PM2.5 21.8 µg/m³
71Moderate
6:00 AM
💨
PM2.5 22.2 µg/m³
72Moderate
7:00 AM
💨
PM2.5 23.5 µg/m³
75Moderate
8:00 AM
💨
PM2.5 26.6 µg/m³
81Moderate
9:00 AM
💨
PM2.5 25.3 µg/m³
79Moderate
10:00 AM
💨
PM2.5 21.4 µg/m³
71Moderate
11:00 AM
💨
PM2.5 15.3 µg/m³
115Unhealthy for Sensitive Groups
12:00 PM
💨
PM2.5 13.1 µg/m³
135Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 12.2 µg/m³
129Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 11.7 µg/m³
122Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
135
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
135
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
101
Sat
💨
Moderate · UV Very high
95
Sun
💨
Moderate · UV High
67