Stay updated with real-time air quality in Claremont, 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)
38
Good
Claremont, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.64 μg/m³
0
55
155
255
425
605+
41.09 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
10.59 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Claremont, California
Claremont, California
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AQI 46
Good
7.08μg/m³
PM2.5
33.93μg/m³
PM10
50.06ppb
O3
0.52ppb
SO2
10.97ppb
NO2
0.20ppm
CO
AQI 45
Good
6.68μg/m³
PM2.5
32.87μg/m³
PM10
49.40ppb
O3
0.52ppb
SO2
7.08ppb
NO2
0.20ppm
CO
AQI 45
Good
6.49μg/m³
PM2.5
32.86μg/m³
PM10
49.05ppb
O3
0.52ppb
SO2
5.92ppb
NO2
0.20ppm
CO
AQI 47
Good
7.41μg/m³
PM2.5
36.05μg/m³
PM10
51.20ppb
O3
0.52ppb
SO2
15.45ppb
NO2
0.19ppm
CO
AQI 47
Good
7.66μg/m³
PM2.5
35.98μg/m³
PM10
51.13ppb
O3
0.52ppb
SO2
17.05ppb
NO2
0.19ppm
CO
AQI 46
Good
7.06μg/m³
PM2.5
31.71μg/m³
PM10
50.07ppb
O3
0.51ppb
SO2
7.68ppb
NO2
0.20ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Claremont, California is updated on an hourly basis.
The worst air quality in Claremont, California was recorded at 11:00:00 on 2025-07-23.
The best air quality in Claremont, California was recorded at 06:00:00 on 2025-07-24.
The real-time air quality index in Claremont, California is 50, currently categorized as Good.
The most common pollutant in Claremont, California is O3.
If the air quality in Claremont, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Claremont, California at present are 7.452 μg/m3.
The current PM10 levels in Claremont, California are 33.612 μg/m3.
The current carbon monoxide (CO) level in Claremont, California is 0.201 ppm.
The current sulfur dioxide (SO2) levels in Claremont, California are 0.442 ppb.
The current ozone (O3) levels at Claremont, California is 53.691 ppm.
The current nitrogen dioxide (NO2) levels at Claremont, California is 10.012 ppb.
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