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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.00 μg/m³
0
55
155
255
425
605+
40.95 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
16.95 ppb
0
54
101
361
1250
2050+
0.45 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Alpine, California
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AQI 38
Good
7.20μg/m³
PM2.5
22.83μg/m³
PM10
30.44ppb
O3
0.38ppb
SO2
17.57ppb
NO2
0.39ppm
CO
AQI 38
Good
7.18μg/m³
PM2.5
22.90μg/m³
PM10
28.65ppb
O3
0.38ppb
SO2
17.03ppb
NO2
0.39ppm
CO
AQI 38
Good
7.26μg/m³
PM2.5
23.59μg/m³
PM10
27.46ppb
O3
0.38ppb
SO2
17.37ppb
NO2
0.39ppm
CO
AQI 46
Good
6.40μg/m³
PM2.5
21.47μg/m³
PM10
49.98ppb
O3
0.38ppb
SO2
17.37ppb
NO2
0.39ppm
CO
AQI 38
Good
7.13μg/m³
PM2.5
23.20μg/m³
PM10
26.66ppb
O3
0.38ppb
SO2
17.42ppb
NO2
0.39ppm
CO
AQI 38
Good
7.27μg/m³
PM2.5
23.83μg/m³
PM10
26.28ppb
O3
0.38ppb
SO2
17.25ppb
NO2
0.39ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Alpine, California is updated every hour.
The worst air quality in Alpine, California in the last 24 hours was observed at 02:00:00 on 2026-03-04.
In the last 24 hrs, the best air quality in Alpine, California was observed at 08:00:00 on 2026-03-03.
The current air quality in Alpine, California is 46, categorized as Good based on real-time data.
The most common pollutant in Alpine, California is O3.
If the air quality in Alpine, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Alpine, California is 8.196 μg/m3.
The current PM10 concentration at Alpine, California is 24.99 μg/m3.
The current carbon monoxide (CO) concentration at Alpine, California is 0.391 ppm.
The current sulfur dioxide (SO2) concentration at Alpine, California is 0.378 ppb.
The current ozone (O3) concentration at Alpine, California is 49.936 ppm.
The current nitrogen dioxide (NO2) concentration at Alpine, California is 21.245 ppb.
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