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)
44
Good
Big Bear City, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.13 μg/m³
0
55
155
255
425
605+
47.43 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
3.17 ppb
0
54
101
361
1250
2050+
0.28 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 100
Moderate
8.30μg/m³
PM2.5
31.92μg/m³
PM10
69.87ppb
O3
0.66ppb
SO2
5.94ppb
NO2
0.27ppm
CO
AQI 101
Unhealthy for sensitive groups
8.79μg/m³
PM2.5
38.04μg/m³
PM10
71.13ppb
O3
0.68ppb
SO2
5.99ppb
NO2
0.27ppm
CO
AQI 97
Moderate
8.06μg/m³
PM2.5
31.31μg/m³
PM10
69.30ppb
O3
0.66ppb
SO2
5.71ppb
NO2
0.27ppm
CO
AQI 108
Unhealthy for sensitive groups
10.75μg/m³
PM2.5
45.31μg/m³
PM10
72.94ppb
O3
0.66ppb
SO2
8.41ppb
NO2
0.26ppm
CO
AQI 77
Moderate
3.49μg/m³
PM2.5
15.08μg/m³
PM10
62.77ppb
O3
0.67ppb
SO2
2.23ppb
NO2
0.28ppm
CO
AQI 112
Unhealthy for sensitive groups
9.74μg/m³
PM2.5
35.97μg/m³
PM10
74.48ppb
O3
0.66ppb
SO2
7.35ppb
NO2
0.27ppm
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 2026-07-23.
The best air quality in Big Bear City, California was recorded at 04:00:00 on 2026-07-23.
The real-time air quality index in Big Bear City, California is 44, 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 5.731 μg/m3.
The current PM10 levels in Big Bear City, California are 25.132 μg/m3.
The current carbon monoxide (CO) level in Big Bear City, California is 0.276 ppm.
The current sulfur dioxide (SO2) levels in Big Bear City, California are 0.678 ppb.
The current ozone (O3) levels at Big Bear City, California is 47.433 ppm.
The current nitrogen dioxide (NO2) levels at Big Bear City, California is 3.175 ppb.
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