Air quality in Costa Mesa
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
17.6 µg/m³
WHO guideline 15
PM10
21 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
6:00 PM
💨
PM2.5 17.6 µg/m³
63 Moderate
7:00 PM
💨
PM2.5 15.4 µg/m³
58 Moderate
8:00 PM
💨
PM2.5 13.9 µg/m³
55 Moderate
9:00 PM
💨
PM2.5 13.6 µg/m³
54 Moderate
10:00 PM
💨
PM2.5 14.1 µg/m³
55 Moderate
11:00 PM
💨
PM2.5 14.9 µg/m³
57 Moderate
12:00 AM
💨
PM2.5 16.2 µg/m³
60 Moderate
1:00 AM
💨
PM2.5 17.2 µg/m³
62 Moderate
2:00 AM
💨
PM2.5 17.9 µg/m³
63 Moderate
3:00 AM
💨
PM2.5 18.3 µg/m³
64 Moderate
4:00 AM
💨
PM2.5 18 µg/m³
63 Moderate
5:00 AM
💨
PM2.5 17.2 µg/m³
62 Moderate
Next few days daily max · US EPA AQI
Wed
💨
Moderate · UV High
74
Thu
💨
Moderate · UV High
64
Fri
💨
Moderate · UV Moderate
55
Sat
💨
Moderate · UV High
57
Sun
💨
Moderate · UV High
62
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain