Air quality in San Bernardino
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
14.6 µg/m³
WHO guideline 15
PM10
21.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 14.6 µg/m³
99Moderate
1:00 PM
💨
PM2.5 14.3 µg/m³
115Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 13.5 µg/m³
126Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 13.4 µg/m³
138Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 13.7 µg/m³
147Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 14.2 µg/m³
149Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 15.3 µg/m³
138Unhealthy for Sensitive Groups
7:00 PM
💨
PM2.5 16.8 µg/m³
119Unhealthy for Sensitive Groups
8:00 PM
💨
PM2.5 17.7 µg/m³
98Moderate
9:00 PM
💨
PM2.5 18 µg/m³
71Moderate
10:00 PM
💨
PM2.5 18.5 µg/m³
64Moderate
11:00 PM
💨
PM2.5 19.3 µg/m³
66Moderate
Next few days
daily max · US EPA AQI
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
149
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
131
Thu
💨
Moderate · UV Very high
96
Fri
💨
Moderate · UV Very high
76
Sat
💨
Moderate · UV Very high
57