Air Quality in Napa, United States

Drizzle
17.9°C · 72.7% humidity
17.9°
Feels 17.9°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
14 6pm
14
13
13 9pm
13
13
13 12am
13
13
13 3am
13
26
26 6am
38
38
38 9am
51
38
38 12pm
51
51
51 3pm
38
26
Station readings
14
14
CAMS model adj +1
12
12
12
12
12
12
12
12
12
12
12
25
25
37
37
37
50
37
37
50
50
50
37
25
AD 728×90

PM2.5 Trend (24h)

22h · 18 stations
72.7%
Humidity
49.6 km/h
Wind WSW
1008.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.53.06 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
04-09
20.0° 9.3°
04-10
17.9° 9.1°
2.56 mm
04-11
18.1° 8.8°
0.19 mm
04-12
13.8° 1.5°
04-13
15.2° 3.3°
0.31 mm
04-14
18.4° 5.6°
04-15
21.3° 9.3°

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:04 UTC.