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)
33
Good
Danville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.02 μg/m³
0
55
155
255
425
605+
26.79 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
8.70 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Danville, California
Danville, California
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AQI 33
Good
5.56μg/m³
PM2.5
23.64μg/m³
PM10
12.19ppb
O3
0.53ppb
SO2
7.35ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.24μg/m³
PM2.5
48.17μg/m³
PM10
23.51ppb
O3
0.67ppb
SO2
9.94ppb
NO2
0.29ppm
CO
AQI 49
Good
8.81μg/m³
PM2.5
36.81μg/m³
PM10
10.53ppb
O3
0.62ppb
SO2
12.17ppb
NO2
0.28ppm
CO
AQI 16
Good
3.10μg/m³
PM2.5
13.30μg/m³
PM10
6.40ppb
O3
0.41ppb
SO2
7.19ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.89μg/m³
PM2.5
44.60μg/m³
PM10
8.45ppb
O3
0.69ppb
SO2
10.90ppb
NO2
0.31ppm
CO
AQI 38
Good
7.36μg/m³
PM2.5
32.80μg/m³
PM10
7.46ppb
O3
0.69ppb
SO2
10.22ppb
NO2
0.28ppm
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 2025-11-10.
The best air quality in Danville, California was recorded at 09:00:00 on 2025-11-09.
The real-time air quality index in Danville, California is 49, 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 9.356 μg/m3.
The current PM10 levels in Danville, California are 39.845 μg/m3.
The current carbon monoxide (CO) level in Danville, California is 0.259 ppm.
The current sulfur dioxide (SO2) levels in Danville, California are 0.605 ppb.
The current ozone (O3) levels at Danville, California is 19.229 ppm.
The current nitrogen dioxide (NO2) levels at Danville, California is 8.383 ppb.
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