What is the air quality in Vallejo today?

The current Air Quality Index (AQI) in Vallejo is 15 (Good). PM2.5 concentration is 3.65 µg/m³.

What is the temperature in Vallejo right now?

The current temperature in Vallejo is 20.4°C (feels like 20.4°C). Humidity is 43.8% and wind speed is 17.4 km/h.

Is it safe to go outside in Vallejo?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Vallejo, United States

Clear

20.4°C · 43.8% humidity

20.4°

Feels 20.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 86 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.

43.8%

Humidity

17.4 km/h

Wind WSW

1018.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.65 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Vallejo?

Temperature & Precipitation

PM2.5 Trend

45h · 86 stations

PM2.53.65 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

3.65

Median

3.55

Average

2.41

Low

6.0

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +2.3

What is the 7-day forecast for Vallejo?

10-20

24.2° 15.5°

10-21

21.9° 14.7°

10-22

25.0° 15.6°

10-23

22.2° 16.0°

10-24

22.2° 14.4°

10-25

21.5° 14.7°

3.38 mm

10-26

22.1° 15.4°

Both models agree Avg diff: 4.3°C

Where are air quality stations near Vallejo?

Berkeley-Martinez 1

14.8 km PM2.5: 3.4 µg/m³

Martinez 3

16.3 km PM2.5: 3.0 µg/m³

San Pablo-Rumrill, Contra Costa, California

18.2 km PM2.5: 7.2 µg/m³

Berkeley-MCC Upstairs

24.5 km PM2.5: 3.1 µg/m³

Berkeley-MCC Downstairs

24.5 km PM2.5: 2.4 µg/m³

Lawrence Hall of Science

25.0 km PM2.5: 3.7 µg/m³

San Rafael, Marin, California

27.3 km PM2.5: 3.1 µg/m³

San Rafael, Marin, California

27.3 km PM2.5: 4.8 µg/m³

What cities are near Vallejo?

13 American Canyon 18 Hercules 15 Benicia 19 Pinole 14 Martinez 24 San Pablo 19 El Cerrito 18 Napa 18 Suisun 17 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 2026-10-20T20:05 UTC.