Air Quality in Vacaville, United States

Clear
37.6°C · 9.5% humidity
37.6°
Feels 37.6°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 7am
27
27
27 10am
27
27
27 1pm
27
27
27 4pm
27
27
27 7pm
27
34
34 10pm
34
34
34 1am
34
27
27 4am
27
27
AD 728×90

Air Quality Index Trend

46h · 37 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.

9.5%
Humidity
11.8 km/h
Wind ENE
1007.1 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Vacaville?

Temperature & Precipitation

PM2.5 Trend

46h · 37 stations
PM2.56.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250

What is the 7-day forecast for Vacaville?

07-21
37.6° 14.7°
07-22
41.7° 18.1°
07-23
41.6° 18.9°
07-24
45.4° 15.6°
07-25
38.2° 18.6°
07-26
44.3° 11.6°
07-27
40.8° 18.6°
Both models agree Avg diff: 6.2°C

Where are air quality stations near Vacaville?

26
Vacaville-Ulatis Drive, Solano, California
3.3 km PM2.5: 6.2 µg/m³
76
Davis-UCD Campus, Yolo, California
27.2 km PM2.5: 24.0 µg/m³
22
ANR Davis - 2nd Street
32.0 km PM2.5: 5.3 µg/m³

What cities are near Vacaville?

31 Suisun 35 Dixon 27 Napa 29 Davis 22 American Canyon 22 Bay Point 22 Vallejo 23 Benicia 22 Pittsburg 23 Martinez
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:14 UTC.