Air Quality in Ukiah, United States

Clear
22.8°C · 45.9% humidity
22.8°
Feels 22.8°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
24 2pm
25
25
52 5pm
44
41
37 8pm
34
32
31 11pm
30
36
35 2am
35
35
34 5am
27
27
27 8am
27
27
27 11am
27
27
AD 728×90

Air Quality Index Trend

46h · 1 stn

Ukiah's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Ukiah is 2.5× the WHO annual guideline of 5 µg/m³.

45.9%
Humidity
39.1 km/h
Wind W
1018.5 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.6 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ukiah?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.512.6 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (1 station within 25 km)
12.6
Median
12.6
Average
12.6
Low
12.6
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -6.7

What is the 7-day forecast for Ukiah?

05-29
22.8° 6.8°
05-30
18.6° 11.6°
05-31
30.0° 17.8°
0.44 mm
06-01
30.9° 6.4°
06-02
23.4° 10.3°
06-03
26.1° 3.2°
06-04
28.7° 6.7°
0.13 mm
Both models agree Avg diff: 5.1°C

Where are air quality stations near Ukiah?

61
Ukiah - Library, Mendocino, California
0.1 km PM2.5: 16.9 µg/m³
64
Ukiah - Library, Mendocino, California
0.1 km PM2.5: 18.3 µg/m³

What cities are near Ukiah?

24 Clearlake 26 Santa Rosa 26 Rohnert Park 28 Agua Caliente 26 Petaluma 26 Napa 26 Novato 24 Chico 25 Woodland 24 South Yuba City
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:11 UTC.