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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.81 μg/m³
0
55
155
255
425
605+
19.22 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
3.25 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Davis, California
Davis, California
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AQI 22
Good
3.98μg/m³
PM2.5
17.34μg/m³
PM10
22.63ppb
O3
0.53ppb
SO2
3.74ppb
NO2
0.15ppm
CO
AQI 19
Good
2.21μg/m³
PM2.5
9.21μg/m³
PM10
20.18ppb
O3
0.53ppb
SO2
4.05ppb
NO2
0.14ppm
CO
AQI 22
Good
3.99μg/m³
PM2.5
17.44μg/m³
PM10
24.06ppb
O3
0.55ppb
SO2
5.33ppb
NO2
0.11ppm
CO
AQI 24
Good
3.36μg/m³
PM2.5
14.28μg/m³
PM10
26.03ppb
O3
0.55ppb
SO2
3.96ppb
NO2
0.11ppm
CO
AQI 23
Good
3.67μg/m³
PM2.5
15.41μg/m³
PM10
25.29ppb
O3
0.55ppb
SO2
3.88ppb
NO2
0.12ppm
CO
AQI 23
Good
3.70μg/m³
PM2.5
15.09μg/m³
PM10
24.68ppb
O3
0.55ppb
SO2
3.79ppb
NO2
0.12ppm
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 Davis, California is updated every hour.
The worst air quality in Davis, California in the last 24 hours was observed at 02:00:00 on 2026-08-24.
In the last 24 hrs, the best air quality in Davis, California was observed at 10:00:00 on 2026-08-23.
The current air quality in Davis, California is 27, categorized as Good based on real-time data.
The most common pollutant in Davis, California is PM2.5.
If the air quality in Davis, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Davis, California is 5.214 μg/m3.
The current PM10 concentration at Davis, California is 22.812 μg/m3.
The current carbon monoxide (CO) concentration at Davis, California is 0.146 ppm.
The current sulfur dioxide (SO2) concentration at Davis, California is 0.46 ppb.
The current ozone (O3) concentration at Davis, California is 19.224 ppm.
The current nitrogen dioxide (NO2) concentration at Davis, California is 3.247 ppb.
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