Stay updated with real-time air quality in Ukiah, 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)
23
Good
Ukiah, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.01 μg/m³
0
55
155
255
425
605+
25.00 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
1.67 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ukiah, California
Ukiah, California
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AQI 29
Good
1.34μg/m³
PM2.5
5.00μg/m³
PM10
30.99ppb
O3
0.23ppb
SO2
0.43ppb
NO2
0.07ppm
CO
AQI 22
Good
4.19μg/m³
PM2.5
19.96μg/m³
PM10
19.45ppb
O3
0.50ppb
SO2
1.66ppb
NO2
0.30ppm
CO
AQI 27
Good
4.76μg/m³
PM2.5
20.04μg/m³
PM10
19.36ppb
O3
0.50ppb
SO2
1.76ppb
NO2
0.30ppm
CO
AQI 27
Good
4.62μg/m³
PM2.5
20.99μg/m³
PM10
21.61ppb
O3
0.49ppb
SO2
1.84ppb
NO2
0.30ppm
CO
AQI 27
Good
4.97μg/m³
PM2.5
23.78μg/m³
PM10
21.54ppb
O3
0.48ppb
SO2
1.92ppb
NO2
0.30ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
14.84μg/m³
PM10
21.97ppb
O3
0.47ppb
SO2
2.44ppb
NO2
0.29ppm
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 Ukiah, California is updated every hour.
The worst air quality in Ukiah, California in the last 24 hours was observed at 03:00:00 on 2026-07-28.
In the last 24 hrs, the best air quality in Ukiah, California was observed at 09:00:00 on 2026-07-28.
The current air quality in Ukiah, California is 23, categorized as Good based on real-time data.
The most common pollutant in Ukiah, California is O3.
If the air quality in Ukiah, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Ukiah, California is 1.702 μg/m3.
The current PM10 concentration at Ukiah, California is 7.011 μg/m3.
The current carbon monoxide (CO) concentration at Ukiah, California is 0.299 ppm.
The current sulfur dioxide (SO2) concentration at Ukiah, California is 0.513 ppb.
The current ozone (O3) concentration at Ukiah, California is 24.997 ppm.
The current nitrogen dioxide (NO2) concentration at Ukiah, California is 1.673 ppb.
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