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)
54
Moderate
Big Bear City, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.32 μg/m³
0
55
155
255
425
605+
55.86 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
2.89 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Big Bear City, California
Big Bear City, California
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AQI 74
Moderate
9.30μg/m³
PM2.5
41.95μg/m³
PM10
62.02ppb
O3
0.41ppb
SO2
3.99ppb
NO2
0.21ppm
CO
AQI 61
Moderate
6.90μg/m³
PM2.5
30.62μg/m³
PM10
58.43ppb
O3
0.39ppb
SO2
4.47ppb
NO2
0.22ppm
CO
AQI 74
Moderate
9.36μg/m³
PM2.5
42.19μg/m³
PM10
61.63ppb
O3
0.41ppb
SO2
3.98ppb
NO2
0.20ppm
CO
AQI 74
Moderate
9.12μg/m³
PM2.5
40.94μg/m³
PM10
62.39ppb
O3
0.38ppb
SO2
5.14ppb
NO2
0.21ppm
CO
AQI 61
Moderate
8.84μg/m³
PM2.5
39.53μg/m³
PM10
57.92ppb
O3
0.42ppb
SO2
3.51ppb
NO2
0.18ppm
CO
AQI 84
Moderate
9.23μg/m³
PM2.5
41.75μg/m³
PM10
64.50ppb
O3
0.40ppb
SO2
4.18ppb
NO2
0.21ppm
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 02:00:00 on 2025-09-05.
The best air quality in Big Bear City, California was recorded at 08:00:00 on 2025-09-05.
The real-time air quality index in Big Bear City, California is 54, currently categorized as Moderate.
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 5.069 μg/m3.
The current PM10 levels in Big Bear City, California are 22.324 μg/m3.
The current carbon monoxide (CO) level in Big Bear City, California is 0.232 ppm.
The current sulfur dioxide (SO2) levels in Big Bear City, California are 0.422 ppb.
The current ozone (O3) levels at Big Bear City, California is 55.856 ppm.
The current nitrogen dioxide (NO2) levels at Big Bear City, California is 2.892 ppb.
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