What is the air quality in Watsonville today?

The current Air Quality Index (AQI) in Watsonville is 18 (Good). PM2.5 concentration is 4.4 µg/m³.

What is the temperature in Watsonville right now?

The current temperature in Watsonville is 29.5°C (feels like 32.0°C). Humidity is 47.8% and wind speed is 22.2 km/h.

Is it safe to go outside in Watsonville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 1.4 (Low).

Air Quality in Watsonville, United States

Clear

29.5°C · 47.8% humidity

29.5°

Feels 32.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

54 5am

18 8am

14 11am

22 2pm

25 5pm

33 8pm

34 11pm

34 2am

Air Quality Index Trend

45h · 42 stn

View full history →

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.

47.8%

Humidity

22.2 km/h

Wind WSW

1016.0 hPa

Pressure

1.4

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.4 µg/m³

PM10▲

20.55 µg/m³

050100150200300500

What is the weather forecast for Watsonville?

Temperature & Precipitation

PM2.5 Trend

45h · 42 stations

PM2.54.4 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX1.4

Low

Station readings (10 stations within 25 km)

4.4

Median

5.12

Average

4.09

Low

6.6

High

PM2.5 µg/m³ · Model: 10.0 · Bias: +5.6

What is the 7-day forecast for Watsonville?

09-05

29.5° 11.0°

09-06

29.8° 13.2°

0.06 mm

09-07

27.0° 9.5°

09-08

32.3° 11.0°

09-09

24.5° 15.2°

09-10

23.6° 11.6°

0.06 mm

09-11

26.3° 12.8°

0.06 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near Watsonville?

Watsonville - Starlight Elementary School

1.9 km PM2.5: 4.3 µg/m³

Aromas School

10.2 km PM2.5: 5.2 µg/m³

Moss Landing

11.9 km PM2.5: 6.5 µg/m³

Aptos

11.9 km PM2.5: 4.3 µg/m³

Elkhorn Elementary School

13.1 km PM2.5: 5.0 µg/m³

Castroville

15.9 km PM2.5: 6.1 µg/m³

Prunedale

17.0 km PM2.5: 5.1 µg/m³

Capitola - New Brighton Middle School

18.6 km PM2.5: 4.1 µg/m³

San Juan Bautista

21.3 km PM2.5: 6.6 µg/m³

Santa Cruz

22.1 km PM2.5: 4.1 µg/m³

What cities are near Watsonville?

21 Prunedale 23 Gilroy 17 Live Oak 19 Santa Cruz 34 Marina 20 Morgan Hill 23 Salinas 30 Hollister 23 Seaside 24 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 2026-09-05T15:52 UTC.