Stay updated with real-time air quality in Danville, 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)
56
Moderate
Danville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.83 μg/m³
0
55
155
255
425
605+
12.96 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
4.97 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Danville, California
Danville, California
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AQI 60
Moderate
13.56μg/m³
PM2.5
60.69μg/m³
PM10
13.42ppb
O3
0.36ppb
SO2
4.52ppb
NO2
0.35ppm
CO
AQI 56
Moderate
11.53μg/m³
PM2.5
50.80μg/m³
PM10
14.14ppb
O3
0.45ppb
SO2
5.73ppb
NO2
0.30ppm
CO
AQI 62
Moderate
15.18μg/m³
PM2.5
67.86μg/m³
PM10
9.82ppb
O3
0.49ppb
SO2
5.42ppb
NO2
0.33ppm
CO
AQI 62
Moderate
14.79μg/m³
PM2.5
66.48μg/m³
PM10
13.81ppb
O3
0.28ppb
SO2
4.52ppb
NO2
0.39ppm
CO
AQI 58
Moderate
13.40μg/m³
PM2.5
60.13μg/m³
PM10
11.37ppb
O3
0.50ppb
SO2
6.68ppb
NO2
0.34ppm
CO
AQI 60
Moderate
14.46μg/m³
PM2.5
64.95μg/m³
PM10
13.22ppb
O3
0.48ppb
SO2
5.28ppb
NO2
0.35ppm
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 Danville, California is updated on an hourly basis.
The worst air quality in Danville, California was recorded at 06:00:00 on 2025-12-07.
The best air quality in Danville, California was recorded at 05:00:00 on 2025-12-07.
The real-time air quality index in Danville, California is 56, currently categorized as Moderate.
The most common pollutant in Danville, California is PM2.5.
If the air quality in Danville, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Danville, California at present are 11.911 μg/m3.
The current PM10 levels in Danville, California are 52.828 μg/m3.
The current carbon monoxide (CO) level in Danville, California is 0.307 ppm.
The current sulfur dioxide (SO2) levels in Danville, California are 0.419 ppb.
The current ozone (O3) levels at Danville, California is 12.955 ppm.
The current nitrogen dioxide (NO2) levels at Danville, California is 4.972 ppb.
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