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)
33
Good
Pomona, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.58 μg/m³
0
55
155
255
425
605+
36.30 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
14.96 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pomona, California
Pomona, California
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AQI 37
Good
1.99μg/m³
PM2.5
7.98μg/m³
PM10
40.01ppb
O3
0.33ppb
SO2
8.59ppb
NO2
0.24ppm
CO
AQI 37
Good
3.04μg/m³
PM2.5
8.56μg/m³
PM10
39.93ppb
O3
0.32ppb
SO2
17.59ppb
NO2
0.24ppm
CO
AQI 35
Good
4.39μg/m³
PM2.5
8.30μg/m³
PM10
38.21ppb
O3
0.32ppb
SO2
17.69ppb
NO2
0.25ppm
CO
AQI 36
Good
4.47μg/m³
PM2.5
8.13μg/m³
PM10
38.59ppb
O3
0.31ppb
SO2
19.86ppb
NO2
0.25ppm
CO
AQI 34
Good
3.35μg/m³
PM2.5
8.05μg/m³
PM10
37.28ppb
O3
0.33ppb
SO2
16.58ppb
NO2
0.25ppm
CO
AQI 36
Good
3.82μg/m³
PM2.5
8.28μg/m³
PM10
38.94ppb
O3
0.34ppb
SO2
6.50ppb
NO2
0.24ppm
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 02:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Pomona, California was observed at 03:00:00 on 2026-10-22.
As of now, the AQI in Pomona, California is 33, indicating Good conditions.
Pomona, California air has the highest levels of O3.
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 3.111 μg/m3.
The PM10 concentration in Pomona, California is 10.582 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pomona, California is 0.291 ppm.
Currently, Pomona, California has a sulfur dioxide (SO2) concentration of 0.358 ppb.
The current ozone (O3) level in Pomona, California at the moment is 36.304 ppm.
Nitrogen dioxide (NO2) level in Pomona, California at the moment is 14.958 ppb.
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