Air Quality in Ukiah, United States
Windy
18.7°C · 37.3% humidity
18.7°
Feels 18.7°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Ukiah's air quality — share it
AQI Forecast
24
2pm
24
24
65
5pm
54
46
40
8pm
36
33
31
11pm
29
28
27
2am
26
26
25
5am
26
24
24
8am
24
24
24
11am
24
24
Air Quality Index Trend
46h · 10 stnUkiah'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 1.3× the WHO 24-hour guideline of 15 µg/m³.
37.3%
Humidity
55.2 km/h
Wind W
1016.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ukiah?
Temperature & Precipitation
PM2.5 Trend
46h · 10 stationsPM2.518.8 µg/m³
×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (1 station within 25 km)
18.8
Median
18.8
Average
18.8
Low
18.8
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -13.0
What is the 7-day forecast for Ukiah?
06-09
21.1° 6.3°
06-10
27.8° 10.6°
06-11
29.1° 15.1°
06-12
26.8° 12.3°
06-13
25.9° 9.3°
06-14
28.4° 13.0°
06-15
27.8° 8.2°
Both models agree
Avg diff: 5.6°C
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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 2026-06-09T00:40 UTC.