Stay updated with real-time air quality in Pomona, 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)
52
Moderate
Pomona, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.61 μg/m³
0
55
155
255
425
605+
31.53 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
14.09 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pomona, California
Pomona, California
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AQI 54
Moderate
10.56μg/m³
PM2.5
35.51μg/m³
PM10
34.95ppb
O3
0.37ppb
SO2
9.47ppb
NO2
0.19ppm
CO
AQI 54
Moderate
10.57μg/m³
PM2.5
36.02μg/m³
PM10
36.68ppb
O3
0.32ppb
SO2
8.67ppb
NO2
0.19ppm
CO
AQI 56
Moderate
11.72μg/m³
PM2.5
27.15μg/m³
PM10
31.80ppb
O3
0.30ppb
SO2
19.18ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.32μg/m³
PM2.5
28.03μg/m³
PM10
32.12ppb
O3
0.29ppb
SO2
22.45ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.44μg/m³
PM2.5
34.86μg/m³
PM10
36.22ppb
O3
0.33ppb
SO2
7.36ppb
NO2
0.20ppm
CO
AQI 44
Good
8.43μg/m³
PM2.5
22.92μg/m³
PM10
30.88ppb
O3
0.39ppb
SO2
6.14ppb
NO2
0.19ppm
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 Pomona, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Pomona, California was at its worst at 12:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Pomona, California was observed at 11:00:00 on 2026-06-08.
As of now, the AQI in Pomona, California is 52, indicating Moderate conditions.
Pomona, California air has the highest levels of PM2.5.
Poor air quality in Pomona, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Pomona, California are currently 10.09 μg/m3.
The PM10 concentration in Pomona, California is 26.609 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pomona, California is 0.195 ppm.
Currently, Pomona, California has a sulfur dioxide (SO2) concentration of 0.334 ppb.
The current ozone (O3) level in Pomona, California at the moment is 31.53 ppm.
Nitrogen dioxide (NO2) level in Pomona, California at the moment is 14.092 ppb.
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