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)
27
Good
Danville, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.56 μg/m³
0
55
155
255
425
605+
17.69 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
1.66 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Danville, California
Danville, California
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AQI 16
Good
3.47μg/m³
PM2.5
14.74μg/m³
PM10
16.05ppb
O3
0.41ppb
SO2
3.04ppb
NO2
0.28ppm
CO
AQI 22
Good
3.87μg/m³
PM2.5
16.70μg/m³
PM10
14.77ppb
O3
0.67ppb
SO2
3.89ppb
NO2
0.22ppm
CO
AQI 33
Good
5.53μg/m³
PM2.5
22.18μg/m³
PM10
18.68ppb
O3
0.58ppb
SO2
4.71ppb
NO2
0.28ppm
CO
AQI 16
Good
2.86μg/m³
PM2.5
12.13μg/m³
PM10
17.33ppb
O3
0.27ppb
SO2
2.50ppb
NO2
0.30ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
23.22μg/m³
PM10
13.83ppb
O3
0.52ppb
SO2
3.48ppb
NO2
0.28ppm
CO
AQI 22
Good
4.08μg/m³
PM2.5
17.75μg/m³
PM10
15.59ppb
O3
0.46ppb
SO2
3.23ppb
NO2
0.31ppm
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 12:00:00 on 2025-07-29.
The best air quality in Danville, California was recorded at 03:00:00 on 2025-07-28.
The real-time air quality index in Danville, California is 27, 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 4.924 μg/m3.
The current PM10 levels in Danville, California are 22.175 μg/m3.
The current carbon monoxide (CO) level in Danville, California is 0.214 ppm.
The current sulfur dioxide (SO2) levels in Danville, California are 0.566 ppb.
The current ozone (O3) levels at Danville, California is 15.82 ppm.
The current nitrogen dioxide (NO2) levels at Danville, California is 4.326 ppb.
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