Stay updated with real-time air quality in Big Bear City, 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
Big Bear City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.44 μg/m³
0
55
155
255
425
605+
41.51 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
2.79 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Big Bear City, California
Big Bear City, California
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AQI 58
Moderate
13.43μg/m³
PM2.5
54.38μg/m³
PM10
40.24ppb
O3
0.49ppb
SO2
10.67ppb
NO2
0.31ppm
CO
AQI 74
Moderate
9.44μg/m³
PM2.5
36.11μg/m³
PM10
62.18ppb
O3
0.49ppb
SO2
10.94ppb
NO2
0.31ppm
CO
AQI 58
Moderate
13.03μg/m³
PM2.5
53.07μg/m³
PM10
40.12ppb
O3
0.49ppb
SO2
10.11ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.54μg/m³
PM2.5
50.52μg/m³
PM10
40.10ppb
O3
0.49ppb
SO2
15.66ppb
NO2
0.32ppm
CO
AQI 44
Good
8.33μg/m³
PM2.5
36.73μg/m³
PM10
42.38ppb
O3
0.49ppb
SO2
2.18ppb
NO2
0.30ppm
CO
AQI 64
Moderate
16.07μg/m³
PM2.5
62.52μg/m³
PM10
41.39ppb
O3
0.49ppb
SO2
14.12ppb
NO2
0.31ppm
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 Big Bear City, California is updated on an hourly basis.
The worst air quality in Big Bear City, California was recorded at 03:00:00 on 2026-07-11.
The best air quality in Big Bear City, California was recorded at 04:00:00 on 2026-07-11.
The real-time air quality index in Big Bear City, California is 39, currently categorized as Good.
The most common pollutant in Big Bear City, California is O3.
If the air quality in Big Bear City, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Big Bear City, California at present are 4.9 μg/m3.
The current PM10 levels in Big Bear City, California are 21.436 μg/m3.
The current carbon monoxide (CO) level in Big Bear City, California is 0.303 ppm.
The current sulfur dioxide (SO2) levels in Big Bear City, California are 0.493 ppb.
The current ozone (O3) levels at Big Bear City, California is 41.51 ppm.
The current nitrogen dioxide (NO2) levels at Big Bear City, California is 2.792 ppb.
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