Stay updated with real-time air quality in West Covina, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
33
Good
West Covina, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.42 μg/m³
0
55
155
255
425
605+
15.96 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
20.65 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West Covina, California
Scroll To Air Quality MapLoading...
AQI 33
Good
6.26μg/m³
PM2.5
27.64μg/m³
PM10
12.29ppb
O3
0.45ppb
SO2
21.68ppb
NO2
0.42ppm
CO
AQI 23
Good
3.86μg/m³
PM2.5
14.86μg/m³
PM10
25.34ppb
O3
0.45ppb
SO2
22.51ppb
NO2
0.41ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.64μg/m³
PM10
12.29ppb
O3
0.45ppb
SO2
21.68ppb
NO2
0.42ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
23.64μg/m³
PM10
27.01ppb
O3
0.48ppb
SO2
18.21ppb
NO2
0.37ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
23.32μg/m³
PM10
28.98ppb
O3
0.48ppb
SO2
17.88ppb
NO2
0.36ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
31.98μg/m³
PM10
11.16ppb
O3
0.45ppb
SO2
21.86ppb
NO2
0.41ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for West Covina, California is updated every hour for accuracy.
In the past 24 hours, the air quality in West Covina, California was at its worst at 03:00:00 on 2026-03-05.
In the last 24 hours, the best air quality in West Covina, California was observed at 08:00:00 on 2026-03-06.
As of now, the AQI in West Covina, California is 33, indicating Good conditions.
West Covina, California air has the highest levels of PM2.5.
Poor air quality in West Covina, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in West Covina, California are currently 5.978 μg/m3.
The PM10 concentration in West Covina, California is 26.423 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Covina, California is 0.412 ppm.
Currently, West Covina, California has a sulfur dioxide (SO2) concentration of 0.456 ppb.
The current ozone (O3) level in West Covina, California at the moment is 15.956 ppm.
Nitrogen dioxide (NO2) level in West Covina, California at the moment is 20.652 ppb.
All Rights Reserved © Ambee Inc. 2025