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)
82
Moderate
Pomona, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
25.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.36 μg/m³
0
55
155
255
425
605+
14.18 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
26.20 ppb
0
54
101
361
1250
2050+
0.51 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pomona, California
Pomona, California
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AQI 28
Good
5.19μg/m³
PM2.5
9.48μg/m³
PM10
22.34ppb
O3
0.33ppb
SO2
30.15ppb
NO2
0.53ppm
CO
AQI 54
Moderate
11.11μg/m³
PM2.5
14.84μg/m³
PM10
23.23ppb
O3
0.39ppb
SO2
30.06ppb
NO2
0.54ppm
CO
AQI 94
Moderate
32.07μg/m³
PM2.5
36.48μg/m³
PM10
9.41ppb
O3
0.39ppb
SO2
33.53ppb
NO2
0.56ppm
CO
AQI 94
Moderate
31.88μg/m³
PM2.5
35.60μg/m³
PM10
9.96ppb
O3
0.38ppb
SO2
33.58ppb
NO2
0.56ppm
CO
AQI 62
Moderate
14.97μg/m³
PM2.5
52.72μg/m³
PM10
16.03ppb
O3
0.33ppb
SO2
27.59ppb
NO2
0.54ppm
CO
AQI 94
Moderate
32.45μg/m³
PM2.5
46.51μg/m³
PM10
6.03ppb
O3
0.31ppb
SO2
31.14ppb
NO2
0.52ppm
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 06:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Pomona, California was observed at 11:00:00 on 2026-01-22.
As of now, the AQI in Pomona, California is 88, 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 29.461 μg/m3.
The PM10 concentration in Pomona, California is 38.432 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pomona, California is 0.543 ppm.
Currently, Pomona, California has a sulfur dioxide (SO2) concentration of 0.364 ppb.
The current ozone (O3) level in Pomona, California at the moment is 8.256 ppm.
Nitrogen dioxide (NO2) level in Pomona, California at the moment is 32.388 ppb.
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