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West Covina, CA Air Quality

← West Covina

Air quality in West Covina

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.

US AQI · EPA
108
Unhealthy for Sensitive Groups
PM2.5
38.3 µg/m³
WHO guideline 15
PM10
41.3 µg/m³
WHO guideline 45
NO₂ · O₃
59 · 19
µg/m³

Hour by hour (12h)

US EPA AQI
7:00 AM 💨 PM2.5 38.3 µg/m³
108Unhealthy for Sensitive Groups
8:00 AM 💨 PM2.5 33.8 µg/m³
97Moderate
9:00 AM 💨 PM2.5 29.9 µg/m³
88Moderate
10:00 AM 💨 PM2.5 29.3 µg/m³
87Moderate
11:00 AM 💨 PM2.5 28.7 µg/m³
86Moderate
12:00 PM 💨 PM2.5 29.9 µg/m³
88Moderate
1:00 PM 💨 PM2.5 34.6 µg/m³
122Unhealthy for Sensitive Groups
2:00 PM 💨 PM2.5 38.6 µg/m³
149Unhealthy for Sensitive Groups
3:00 PM 💨 PM2.5 39.9 µg/m³
157Unhealthy
4:00 PM 💨 PM2.5 41.3 µg/m³
157Unhealthy
5:00 PM 💨 PM2.5 42 µg/m³
149Unhealthy for Sensitive Groups
6:00 PM 💨 PM2.5 42.4 µg/m³
124Unhealthy for Sensitive Groups

Next few days

daily max · US EPA AQI
Sat 💨 Unhealthy · UV Very high
157
Sun 💨 Unhealthy for Sensitive Groups · UV Very high
144
Mon 💨 Moderate · UV Very high
99
Tue 💨 Unhealthy for Sensitive Groups · UV Very high
110
Wed 💨 Unhealthy for Sensitive Groups · UV Very high
116
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Updated: 7:11 AM