Air Quality in Watsonville, United States
Clear
23.2°C · 44.6% humidity
23.2°
Feels 23.2°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Watsonville's air quality — share it
AQI Forecast
34
5pm
34
34
54
8pm
48
64
61
11pm
59
58
57
2am
56
55
55
5am
55
55
54
8am
54
54
54
11am
34
34
34
2pm
34
34
Air Quality Index Trend
45h · 41 stnWatsonville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
44.6%
Humidity
31.6 km/h
Wind SW
1011.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.7 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Watsonville?
Temperature & Precipitation
PM2.5 Trend
45h · 41 stationsPM2.513.7 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX17.4
Extreme
What is the 7-day forecast for Watsonville?
08-03
23.2° 10.5°
0.06 mm
08-04
22.2° 12.5°
08-05
29.7° 10.9°
0.06 mm
08-06
23.4° 9.8°
0.06 mm
08-07
22.6° 12.2°
08-08
23.3° 10.4°
0.06 mm
08-09
31.1° 11.1°
0.06 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Watsonville?
32
Watsonville - Starlight Elementary School
38
Aromas School
32
Aptos
39
Elkhorn Elementary School
39
Castroville
39
Prunedale
32
Capitola - New Brighton Middle School
42
San Juan Bautista
35
Santa Cruz
30
Santa Cruz - Soquel Avenue, Santa Cruz, California
What cities are near Watsonville?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:05 UTC.