Air Quality in Vallejo, United States

Partly Cloudy
26.4°C · 53.4% humidity
26.4°
Feels 26.4°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
34
54
25 8am
21
22
24 11am
25
25
26 2pm
26
26
27 5pm
27
27
27 8pm
27
27
27 11pm
27
34
34 2am
34
27
AD 728×90

Air Quality Index Trend

45h · 89 stn

Vallejo's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

53.4%
Humidity
16.3 km/h
Wind W
1016.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.92 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Vallejo?

Temperature & Precipitation

PM2.5 Trend

45h · 89 stations
PM2.55.92 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
5.92
Median
3.96
Average
2.51
Low
6.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.4

What is the 7-day forecast for Vallejo?

09-05
26.4° 16.4°
09-06
29.8° 16.6°
09-07
30.6° 14.5°
09-08
28.7° 16.8°
09-09
25.9° 17.4°
09-10
25.2° 16.0°
09-11
23.6° 15.9°
0.06 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Vallejo?

25
Vallejo, Solano, California
1.6 km PM2.5: 6.0 µg/m³
18
Berkeley-Martinez 1
14.8 km PM2.5: 4.3 µg/m³
14
Martinez 3
16.3 km PM2.5: 3.4 µg/m³
15
San Pablo-Rumrill, Contra Costa, California
18.2 km PM2.5: 3.6 µg/m³
10
Berkeley-MCC Downstairs
24.5 km PM2.5: 2.5 µg/m³
14
Berkeley-MCC Upstairs
24.5 km PM2.5: 3.3 µg/m³
22
Lawrence Hall of Science
25.0 km PM2.5: 5.3 µg/m³
8
San Rafael, Marin, California
27.3 km PM2.5: 1.9 µg/m³
9
San Rafael, Marin, California
27.3 km PM2.5: 2.2 µg/m³
49
Concord, Contra Costa, California
27.5 km PM2.5: 11.8 µg/m³

What cities are near Vallejo?

23 American Canyon 23 Hercules 20 Benicia 22 Pinole 18 Martinez 16 San Pablo 24 El Cerrito 25 Napa 25 Suisun 33 Pleasant Hill
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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 2026-09-05T15:47 UTC.