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)
56
Moderate
Pomona, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.10 μg/m³
0
55
155
255
425
605+
28.96 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
12.06 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pomona, California
Pomona, California
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AQI 56
Moderate
11.83μg/m³
PM2.5
41.52μg/m³
PM10
28.75ppb
O3
0.38ppb
SO2
12.76ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.47μg/m³
PM2.5
40.25μg/m³
PM10
28.33ppb
O3
0.38ppb
SO2
14.59ppb
NO2
0.30ppm
CO
AQI 54
Moderate
10.86μg/m³
PM2.5
40.12μg/m³
PM10
27.94ppb
O3
0.38ppb
SO2
16.23ppb
NO2
0.30ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
38.62μg/m³
PM10
27.29ppb
O3
0.38ppb
SO2
19.79ppb
NO2
0.30ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
39.14μg/m³
PM10
27.70ppb
O3
0.38ppb
SO2
17.20ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.60μg/m³
PM2.5
36.26μg/m³
PM10
28.73ppb
O3
0.37ppb
SO2
11.40ppb
NO2
0.29ppm
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 2025-07-14.
In the last 24 hours, the best air quality in Pomona, California was observed at 07:00:00 on 2025-07-14.
As of now, the AQI in Pomona, California is 56, 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 11.84 μg/m3.
The PM10 concentration in Pomona, California is 43.096 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pomona, California is 0.3 ppm.
Currently, Pomona, California has a sulfur dioxide (SO2) concentration of 0.386 ppb.
The current ozone (O3) level in Pomona, California at the moment is 28.958 ppm.
Nitrogen dioxide (NO2) level in Pomona, California at the moment is 12.058 ppb.
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