Air Quality in Vacaville, United States

Clear
31.7°C · 20.6% humidity
31.7°
Feels 31.7°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 1pm
34
34
63 4pm
55
49
45 7pm
42
39
58 10pm
57
56
55 1am
55
55
35 4am
34
34
27 7am
27
34
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 36 stn

Vacaville'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 Vacaville is 1.2× the WHO 24-hour guideline of 15 µg/m³.

20.6%
Humidity
21.2 km/h
Wind SE
1009.3 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
63
17.65 µg/m³
PM10
53
59.3 µg/m³
050100150200300500

What is the weather forecast for Vacaville?

Temperature & Precipitation

PM2.5 Trend

46h · 36 stations
PM2.517.65 µg/m³ ×1.2 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Vacaville?

08-03
40.3° 13.7°
08-04
31.4° 13.5°
08-05
36.4° 15.1°
08-06
37.6° 13.7°
08-07
32.3° 16.7°
08-08
37.9° 11.2°
08-09
36.5° 13.0°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Vacaville?

32
Vacaville-Ulatis Drive, Solano, California
3.3 km PM2.5: 7.7 µg/m³
30
ANR Davis - 2nd Street
32.0 km PM2.5: 7.1 µg/m³

What cities are near Vacaville?

64 Suisun 63 Dixon 91 Napa 54 Davis 91 American Canyon 68 Bay Point 91 Vallejo 96 Benicia 68 Pittsburg 96 Martinez
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:57 UTC.