Air quality in Norco
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
8.2 µg/m³
WHO guideline 15
PM10
11.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 8.2 µg/m³
34Good
9:00 AM
💨
PM2.5 8.9 µg/m³
37Good
10:00 AM
💨
PM2.5 10.8 µg/m³
45Good
11:00 AM
💨
PM2.5 12.6 µg/m³
52Moderate
12:00 PM
💨
PM2.5 14 µg/m³
55Moderate
1:00 PM
💨
PM2.5 14.6 µg/m³
81Moderate
2:00 PM
💨
PM2.5 14.6 µg/m³
96Moderate
3:00 PM
💨
PM2.5 14.3 µg/m³
101Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 13.9 µg/m³
99Moderate
5:00 PM
💨
PM2.5 13.6 µg/m³
88Moderate
6:00 PM
💨
PM2.5 13.6 µg/m³
65Moderate
7:00 PM
💨
PM2.5 14 µg/m³
55Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
101
Fri
💨
Unhealthy · UV Very high
154
Sat
💨
Unhealthy · UV Very high
161
Sun
💨
Unhealthy · UV Very high
152
Mon
💨
Moderate · UV High
60