Air quality in Richmond
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
5.1 µg/m³
WHO guideline 15
PM10
5.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 5.1 µg/m³
24Good
10:00 PM
💨
PM2.5 5.2 µg/m³
22Good
11:00 PM
💨
PM2.5 5.6 µg/m³
23Good
12:00 AM
💨
PM2.5 6.2 µg/m³
26Good
1:00 AM
💨
PM2.5 7.3 µg/m³
30Good
2:00 AM
💨
PM2.5 8.9 µg/m³
37Good
3:00 AM
💨
PM2.5 10.3 µg/m³
43Good
4:00 AM
💨
PM2.5 11.2 µg/m³
47Good
5:00 AM
💨
PM2.5 11.8 µg/m³
49Good
6:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
7:00 AM
💨
PM2.5 12.9 µg/m³
53Moderate
8:00 AM
💨
PM2.5 10 µg/m³
42Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
53
Sat
💨
Moderate · UV High
60
Sun
💨
Unhealthy for Sensitive Groups · UV High
101
Mon
💨
Good · UV Very high
42