Air Quality in Vallejo, United States

Partly Cloudy
16.0°C · 66.6% humidity
16.0°
Feels 16.0°
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 3pm
18
16
10 6pm
10
10
10 9pm
10
10
10 12am
10
10
10 3am
10
23
23 6am
35
48
48 9am
48
48
48 12pm
35
48
Station readings
19
18
16
CAMS model adj -2
25
12
12
12
12
12
12
12
12
12
12
12
12
12
25
25
37
50
50
50
50
50
37
50
AD 728×90

PM2.5 Trend (24h)

24h · 93 stations
66.6%
Humidity
18.8 km/h
Wind WSW
1011.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.52.28 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
2.28
Median
2.53
Average
2.02
Low
3.23
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +3.6
04-09
19.7° 13.7°
0.06 mm
04-10
17.0° 12.0°
2.63 mm
04-11
17.5° 10.6°
04-12
13.7° 9.0°
04-13
14.1° 6.9°
0.06 mm
04-14
16.9° 9.1°
04-15
19.8° 11.5°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:56 UTC.