Air Quality in Vacaville, United States

Clear
31.3°C · 36.2% humidity
31.3°
Feels 31.3°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 5am
54
54
42 8am
25
28
30 11am
24
25
25 2pm
26
26
26 5pm
34
27
27 8pm
27
27
27 11pm
27
27
27 2am
27
27
AD 728×90

Air Quality Index Trend

45h · 35 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.

36.2%
Humidity
27.4 km/h
Wind W
1015.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Vacaville?

Temperature & Precipitation

PM2.5 Trend

45h · 35 stations
PM2.510.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Vacaville?

09-05
36.6° 17.9°
09-06
38.2° 18.7°
09-07
42.0° 13.9°
09-08
37.7° 16.3°
09-09
35.1° 15.9°
09-10
38.2° 14.6°
09-11
39.9° 17.6°
0.31 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Vacaville?

25
Vacaville-Ulatis Drive, Solano, California
3.3 km PM2.5: 6.0 µg/m³
21
Vacaville-Ulatis Drive, Solano, California
3.3 km PM2.5: 5.0 µg/m³
17
Davis-UCD Campus, Yolo, California
27.2 km PM2.5: 4.1 µg/m³
25
ANR Davis - 2nd Street
32.0 km PM2.5: 6.1 µg/m³

What cities are near Vacaville?

42 Suisun 42 Dixon 33 Napa 31 Davis 31 American Canyon 31 Bay Point 31 Vallejo 31 Benicia 31 Pittsburg 31 Martinez
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:06 UTC.