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)
39
Good
Pomona, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.85 μg/m³
0
55
155
255
425
605+
41.94 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
7.22 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 56
Moderate
12.00μg/m³
PM2.5
56.01μg/m³
PM10
17.55ppb
O3
0.46ppb
SO2
15.75ppb
NO2
0.30ppm
CO
AQI 58
Moderate
12.86μg/m³
PM2.5
58.57μg/m³
PM10
17.50ppb
O3
0.46ppb
SO2
19.58ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.06μg/m³
PM2.5
63.83μg/m³
PM10
16.82ppb
O3
0.46ppb
SO2
22.98ppb
NO2
0.31ppm
CO
AQI 66
Moderate
16.80μg/m³
PM2.5
74.23μg/m³
PM10
15.70ppb
O3
0.46ppb
SO2
30.97ppb
NO2
0.32ppm
CO
AQI 60
Moderate
14.45μg/m³
PM2.5
64.63μg/m³
PM10
16.94ppb
O3
0.46ppb
SO2
25.06ppb
NO2
0.31ppm
CO
AQI 52
Moderate
10.43μg/m³
PM2.5
45.07μg/m³
PM10
20.14ppb
O3
0.46ppb
SO2
13.95ppb
NO2
0.26ppm
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 11:00:00 on 2025-07-23.
In the last 24 hours, the best air quality in Pomona, California was observed at 06:00:00 on 2025-07-24.
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 11.614 μg/m3.
The PM10 concentration in Pomona, California is 43.73 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Pomona, California is 0.201 ppm.
Currently, Pomona, California has a sulfur dioxide (SO2) concentration of 0.422 ppb.
The current ozone (O3) level in Pomona, California at the moment is 22.113 ppm.
Nitrogen dioxide (NO2) level in Pomona, California at the moment is 10.147 ppb.
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