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
PM2.5 Trend (24h)
22h · 18 stations72.7%
Humidity
49.6 km/h
Wind WSW
1008.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Napa?
Temperature & Precipitation
PM2.53.06 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Napa?
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°
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Napa?
What cities are near Napa?
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.