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
1.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.05 μg/m³
0
55
155
255
425
605+
41.81 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
3.06 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Big Bear City, California
Big Bear City, California
Scroll To Air Quality MapLoading...
AQI 36
Good
2.24μg/m³
PM2.5
7.29μg/m³
PM10
39.48ppb
O3
0.28ppb
SO2
4.72ppb
NO2
0.24ppm
CO
AQI 38
Good
2.02μg/m³
PM2.5
7.99μg/m³
PM10
40.63ppb
O3
0.29ppb
SO2
8.14ppb
NO2
0.24ppm
CO
AQI 37
Good
2.24μg/m³
PM2.5
7.53μg/m³
PM10
39.60ppb
O3
0.28ppb
SO2
4.53ppb
NO2
0.24ppm
CO
AQI 35
Good
1.95μg/m³
PM2.5
6.53μg/m³
PM10
37.79ppb
O3
0.29ppb
SO2
7.16ppb
NO2
0.24ppm
CO
AQI 39
Good
1.79μg/m³
PM2.5
7.97μg/m³
PM10
41.75ppb
O3
0.28ppb
SO2
1.63ppb
NO2
0.24ppm
CO
AQI 36
Good
2.30μg/m³
PM2.5
6.14μg/m³
PM10
38.77ppb
O3
0.29ppb
SO2
6.00ppb
NO2
0.24ppm
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 11:00:00 on 2026-10-21.
The best air quality in Big Bear City, California was recorded at 09:00:00 on 2026-10-22.
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 1.312 μg/m3.
The current PM10 levels in Big Bear City, California are 5.054 μg/m3.
The current carbon monoxide (CO) level in Big Bear City, California is 0.24 ppm.
The current sulfur dioxide (SO2) levels in Big Bear City, California are 0.279 ppb.
The current ozone (O3) levels at Big Bear City, California is 41.815 ppm.
The current nitrogen dioxide (NO2) levels at Big Bear City, California is 3.063 ppb.
All Rights Reserved © Ambee Inc. 2025