Air Quality in Watsonville, United States

Overcast
10.2°C · 97.6% humidity
10.2°
Feels 10.2°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast
27 7pm
27
25
13 10pm
18
21
23 1am
24
25
25 4am
26
26
26 7am
27
27
27 10am
27
34
34 1pm
34
34
34 4pm
54
34
AD 728×90

Air Quality Index Trend

46h · 41 stn

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

97.6%
Humidity
19.4 km/h
Wind E
1013.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
13
3.07 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Watsonville?

Temperature & Precipitation

PM2.5 Trend

46h · 41 stations
PM2.53.07 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (10 stations within 25 km)
3.07
Median
3.38
Average
2.79
Low
4.33
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.9

What is the 7-day forecast for Watsonville?

05-30
16.5° 10.2°
0.06 mm
05-31
21.3° 12.7°
0.13 mm
06-01
21.9° 7.8°
0.06 mm
06-02
21.8° 8.4°
0.06 mm
06-03
24.1° 4.9°
06-04
24.3° 6.0°
0.06 mm
06-05
21.5° 8.3°
0.06 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Watsonville?

12
Watsonville - Starlight Elementary School
1.9 km PM2.5: 3.0 µg/m³
12
Aromas School
10.2 km PM2.5: 3.0 µg/m³
13
Aptos
11.9 km PM2.5: 3.2 µg/m³
18
Moss Landing
11.9 km PM2.5: 4.3 µg/m³
12
Elkhorn Elementary School
13.1 km PM2.5: 2.8 µg/m³
13
Castroville
15.9 km PM2.5: 3.2 µg/m³
12
Prunedale
17.0 km PM2.5: 3.0 µg/m³
15
Capitola - New Brighton Middle School
18.6 km PM2.5: 3.7 µg/m³
17
San Juan Bautista
21.3 km PM2.5: 4.0 µg/m³
15
Santa Cruz
22.1 km PM2.5: 3.6 µg/m³

What cities are near Watsonville?

12 Prunedale 15 Gilroy 15 Live Oak 15 Santa Cruz 12 Marina 20 Morgan Hill 13 Salinas 19 Hollister 12 Seaside 12 Pacific Grove
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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 2026-05-30T05:14 UTC.