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)
38
Good
Ukiah, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.90 μg/m³
0
55
155
255
425
605+
30.96 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
2.44 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ukiah, California
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AQI 44
Good
6.45μg/m³
PM2.5
48.06μg/m³
PM10
31.65ppb
O3
0.30ppb
SO2
2.41ppb
NO2
0.28ppm
CO
AQI 49
Good
9.23μg/m³
PM2.5
31.80μg/m³
PM10
24.75ppb
O3
0.30ppb
SO2
2.41ppb
NO2
0.28ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
37.74μg/m³
PM10
24.79ppb
O3
0.31ppb
SO2
2.41ppb
NO2
0.28ppm
CO
AQI 44
Good
7.83μg/m³
PM2.5
33.90μg/m³
PM10
27.76ppb
O3
0.31ppb
SO2
2.42ppb
NO2
0.28ppm
CO
AQI 44
Good
7.92μg/m³
PM2.5
38.46μg/m³
PM10
28.97ppb
O3
0.32ppb
SO2
2.43ppb
NO2
0.28ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
32.55μg/m³
PM10
29.12ppb
O3
0.33ppb
SO2
2.44ppb
NO2
0.26ppm
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 05:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Ukiah, California was observed at 08:00:00 on 2026-03-09.
The current air quality in Ukiah, California is 38, categorized as Good based on real-time data.
The most common pollutant in Ukiah, California is PM2.5.
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 7.333 μg/m3.
The current PM10 concentration at Ukiah, California is 33.9 μg/m3.
The current carbon monoxide (CO) concentration at Ukiah, California is 0.277 ppm.
The current sulfur dioxide (SO2) concentration at Ukiah, California is 0.295 ppb.
The current ozone (O3) concentration at Ukiah, California is 30.961 ppm.
The current nitrogen dioxide (NO2) concentration at Ukiah, California is 2.44 ppb.
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