What is the air quality in Suisun today?

The current Air Quality Index (AQI) in Suisun is 38 (Good). PM2.5 concentration is 9.1 µg/m³.

What is the temperature in Suisun right now?

The current temperature in Suisun is 33.1°C (feels like 33.1°C). Humidity is 18.3% and wind speed is 29.4 km/h.

Is it safe to go outside in Suisun?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 29.9 (Extreme).

Air Quality in Suisun, United States

Clear

33.1°C · 18.3% humidity

33.1°

Feels 33.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

47h · 49 stn

View full history →

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

18.3%

Humidity

29.4 km/h

Wind SW

1007.4 hPa

Pressure

29.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.1 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Suisun?

Temperature & Precipitation

PM2.5 Trend

47h · 49 stations

PM2.59.1 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX29.9

Extreme

Station readings (1 station within 25 km)

9.1

Median

9.1

Average

9.1

Low

9.1

High

PM2.5 µg/m³ · Model: 10.0 · Bias: +0.9

What is the 7-day forecast for Suisun?

07-21

33.1° 12.1°

07-22

34.8° 14.4°

07-23

28.5° 18.9°

07-24

38.7° 12.4°

07-25

30.5° 15.5°

07-26

36.1° 12.2°

07-27

34.6° 14.2°

Both models agree Avg diff: 4.4°C

Where are air quality stations near Suisun?

Vacaville-Ulatis Drive, Solano, California

15.3 km PM2.5: 21.1 µg/m³

Vallejo, Solano, California

22.9 km PM2.5: 8.4 µg/m³

Vallejo, Solano, California

22.9 km PM2.5: 8.6 µg/m³

What cities are near Suisun?

31 Vacaville 35 American Canyon 38 Napa 30 Benicia 38 Vallejo 49 Bay Point 25 Martinez 51 Pittsburg 22 Dixon 50 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 2026-07-21T20:44 UTC.