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)
49
Good
Claremont, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
46.83 μg/m³
0
55
155
255
425
605+
12.29 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
28.40 ppb
0
54
101
361
1250
2050+
0.56 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Claremont, California
Claremont, California
Scroll To Air Quality MapLoading...
AQI 49
Good
8.79μg/m³
PM2.5
44.23μg/m³
PM10
53.38ppb
O3
0.64ppb
SO2
14.41ppb
NO2
0.20ppm
CO
AQI 50
Good
8.69μg/m³
PM2.5
40.57μg/m³
PM10
54.49ppb
O3
0.63ppb
SO2
11.54ppb
NO2
0.20ppm
CO
AQI 50
Good
8.72μg/m³
PM2.5
40.19μg/m³
PM10
53.98ppb
O3
0.64ppb
SO2
11.01ppb
NO2
0.20ppm
CO
AQI 49
Good
8.84μg/m³
PM2.5
51.78μg/m³
PM10
53.03ppb
O3
0.63ppb
SO2
18.65ppb
NO2
0.19ppm
CO
AQI 50
Good
9.08μg/m³
PM2.5
53.76μg/m³
PM10
48.94ppb
O3
0.68ppb
SO2
21.36ppb
NO2
0.19ppm
CO
AQI 54
Moderate
8.55μg/m³
PM2.5
37.54μg/m³
PM10
56.26ppb
O3
0.65ppb
SO2
10.95ppb
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 10:00:00 on 2025-09-04.
The best air quality in Claremont, California was recorded at 04:00:00 on 2025-09-04.
The real-time air quality index in Claremont, California is 38, 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 7.005 μg/m3.
The current PM10 levels in Claremont, California are 30.346 μg/m3.
The current carbon monoxide (CO) level in Claremont, California is 0.199 ppm.
The current sulfur dioxide (SO2) levels in Claremont, California are 0.412 ppb.
The current ozone (O3) levels at Claremont, California is 41.206 ppm.
The current nitrogen dioxide (NO2) levels at Claremont, California is 14.644 ppb.
All Rights Reserved © Ambee Inc. 2025