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)
49
Good
Danville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.73 μg/m³
0
55
155
255
425
605+
36.12 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
4.49 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Danville, California
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AQI 44
Good
7.62μg/m³
PM2.5
31.65μg/m³
PM10
37.84ppb
O3
1.01ppb
SO2
5.94ppb
NO2
0.24ppm
CO
AQI 44
Good
8.34μg/m³
PM2.5
34.58μg/m³
PM10
36.01ppb
O3
0.96ppb
SO2
10.59ppb
NO2
0.35ppm
CO
AQI 49
Good
9.24μg/m³
PM2.5
35.66μg/m³
PM10
39.63ppb
O3
0.98ppb
SO2
5.04ppb
NO2
0.29ppm
CO
AQI 44
Good
7.68μg/m³
PM2.5
33.50μg/m³
PM10
40.62ppb
O3
1.03ppb
SO2
4.85ppb
NO2
0.22ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
38.40μg/m³
PM10
29.69ppb
O3
0.69ppb
SO2
6.30ppb
NO2
0.30ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
35.89μg/m³
PM10
34.36ppb
O3
0.84ppb
SO2
5.19ppb
NO2
0.26ppm
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 03:00:00 on 2026-03-09.
The best air quality in Danville, California was recorded at 05:00:00 on 2026-03-09.
The real-time air quality index in Danville, California is 44, currently categorized as Good.
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 7.911 μg/m3.
The current PM10 levels in Danville, California are 34.417 μg/m3.
The current carbon monoxide (CO) level in Danville, California is 0.252 ppm.
The current sulfur dioxide (SO2) levels in Danville, California are 0.628 ppb.
The current ozone (O3) levels at Danville, California is 37.012 ppm.
The current nitrogen dioxide (NO2) levels at Danville, California is 5.685 ppb.
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