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)
67
Moderate
Alpine, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.01 μg/m³
0
55
155
255
425
605+
59.96 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
3.41 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Alpine, California
Alpine, California
Scroll To Air Quality MapLoading...
AQI 54
Moderate
11.24μg/m³
PM2.5
29.56μg/m³
PM10
42.69ppb
O3
0.70ppb
SO2
4.76ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.32μg/m³
PM2.5
29.73μg/m³
PM10
41.14ppb
O3
0.70ppb
SO2
4.79ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.09μg/m³
PM2.5
29.20μg/m³
PM10
40.86ppb
O3
0.70ppb
SO2
4.64ppb
NO2
0.32ppm
CO
AQI 54
Moderate
9.74μg/m³
PM2.5
35.83μg/m³
PM10
56.32ppb
O3
0.70ppb
SO2
4.10ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.26μg/m³
PM2.5
30.14μg/m³
PM10
39.50ppb
O3
0.70ppb
SO2
4.70ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.05μg/m³
PM2.5
29.13μg/m³
PM10
40.05ppb
O3
0.70ppb
SO2
4.62ppb
NO2
0.32ppm
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 09:00:00 on 2026-08-18.
In the last 24 hrs, the best air quality in Alpine, California was observed at 09:00:00 on 2026-08-18.
The current air quality in Alpine, California is 67, categorized as Moderate 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 9.705 μg/m3.
The current PM10 concentration at Alpine, California is 28.013 μg/m3.
The current carbon monoxide (CO) concentration at Alpine, California is 0.326 ppm.
The current sulfur dioxide (SO2) concentration at Alpine, California is 0.75 ppb.
The current ozone (O3) concentration at Alpine, California is 59.957 ppm.
The current nitrogen dioxide (NO2) concentration at Alpine, California is 3.406 ppb.
All Rights Reserved © Ambee Inc. 2025