What is the air quality in Vallejo today?

The current Air Quality Index (AQI) in Vallejo is 21 (Good). PM2.5 concentration is 5.06 µg/m³.

What is the temperature in Vallejo right now?

The current temperature in Vallejo is 24.9°C (feels like 24.9°C). Humidity is 36.7% and wind speed is 24.2 km/h.

Is it safe to go outside in Vallejo?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Vallejo, United States

Clear

24.9°C · 36.7% humidity

24.9°

Feels 24.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast

27 7am

21 10am

25 1pm

33 4pm

34 7pm

27 10pm

27 1am

27 4am

Air Quality Index Trend

47h · 1 stn

View full history →

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.

36.7%

Humidity

24.2 km/h

Wind WSW

1008.7 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.06 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Vallejo?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.55.06 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX5.9

High

Station readings (7 stations within 25 km)

5.06

Median

4.94

Average

2.99

Low

6.25

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +1.4

What is the 7-day forecast for Vallejo?

07-21

24.9° 14.1°

07-22

26.7° 16.3°

07-23

20.5° 17.1°

07-24

29.8° 14.5°

07-25

23.1° 15.6°

07-26

26.7° 13.4°

07-27

25.1° 15.4°

Both models agree Avg diff: 3.0°C

Where are air quality stations near Vallejo?

Vallejo, Solano, California

1.6 km PM2.5: 24.0 µg/m³

Vallejo, Solano, California

1.6 km PM2.5: 12.1 µg/m³

AW7YBS3Z

14.3 km PM2.5: 4.4 µg/m³

Berkeley-Martinez 1

14.8 km PM2.5: 5.4 µg/m³

Martinez 3

16.3 km PM2.5: 5.0 µg/m³

A6LHM5BD

18.3 km PM2.5: 3.2 µg/m³

AJ08LDN1

19.2 km PM2.5: 4.5 µg/m³

AGJLDGLM

19.3 km PM2.5: 4.2 µg/m³

A8JYY391

20.4 km PM2.5: 3.8 µg/m³

AFYDTNFN

20.7 km PM2.5: 4.3 µg/m³

What cities are near Vallejo?

22 American Canyon 26 Hercules 22 Benicia 27 Pinole 22 Martinez 27 San Pablo 27 El Cerrito 27 Napa 31 Suisun 28 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 2026-07-21T17:13 UTC.