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)
67
Moderate
Pomona, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
18.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.93 μg/m³
0
55
155
255
425
605+
50.06 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
11.16 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Pomona, California
Pomona, California
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AQI 69
Moderate
18.53μg/m³
PM2.5
42.58μg/m³
PM10
50.42ppb
O3
0.31ppb
SO2
11.54ppb
NO2
0.30ppm
CO
AQI 69
Moderate
18.96μg/m³
PM2.5
43.64μg/m³
PM10
51.29ppb
O3
0.31ppb
SO2
12.38ppb
NO2
0.30ppm
CO
AQI 69
Moderate
19.26μg/m³
PM2.5
44.31μg/m³
PM10
52.04ppb
O3
0.32ppb
SO2
13.10ppb
NO2
0.31ppm
CO
AQI 73
Moderate
20.87μg/m³
PM2.5
47.81μg/m³
PM10
54.83ppb
O3
0.33ppb
SO2
15.04ppb
NO2
0.30ppm
CO
AQI 69
Moderate
19.15μg/m³
PM2.5
44.45μg/m³
PM10
52.15ppb
O3
0.31ppb
SO2
13.33ppb
NO2
0.29ppm
CO
AQI 67
Moderate
18.49μg/m³
PM2.5
43.15μg/m³
PM10
50.00ppb
O3
0.31ppb
SO2
11.36ppb
NO2
0.30ppm
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 09:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Pomona, California was observed at 06:00:00 on 2025-06-06.
As of now, the AQI in Pomona, California is 67, 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 18.298 μg/m3.
The PM10 concentration in Pomona, California is 41.933 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 0.306 ppb.
The current ozone (O3) level in Pomona, California at the moment is 50.056 ppm.
Nitrogen dioxide (NO2) level in Pomona, California at the moment is 11.161 ppb.
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