What is the air quality in Watsonville today?

The current Air Quality Index (AQI) in Watsonville is 18 (Good). PM2.5 concentration is 4.22 µg/m³.

What is the temperature in Watsonville right now?

The current temperature in Watsonville is 20.3°C (feels like 20.3°C). Humidity is 60.1% and wind speed is 30.9 km/h.

Is it safe to go outside in Watsonville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Watsonville, United States

Partly Cloudy

20.3°C · 60.1% humidity

20.3°

Feels 20.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

14 stations

Nearby Monitoring Stations

AQI Forecast

— 12pm

—

— 3pm

—

— 6pm

—

— 9pm

—

— 12am

—

— 3am

—

— 6am

—

— 9am

—

Air Quality Index Trend

46h · 46 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.

60.1%

Humidity

30.9 km/h

Wind S

1013.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.22 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Watsonville?

Temperature & Precipitation

PM2.5 Trend

46h · 46 stations

PM2.54.22 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (14 stations within 25 km)

4.22

Median

4.61

Average

4.0

Low

5.56

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.6

What is the 7-day forecast for Watsonville?

10-20

26.3° 11.1°

10-21

24.4° 11.1°

0.06 mm

10-22

30.1° 11.1°

10-23

26.6° 11.0°

10-24

24.1° 10.9°

10-25

28.6° 10.1°

0.5 mm

10-26

24.7° 11.1°

Both models agree Avg diff: 4.9°C

Where are air quality stations near Watsonville?

Watsonville - Starlight Elementary School

1.9 km PM2.5: 4.1 µg/m³

Aromas School

10.2 km PM2.5: 4.4 µg/m³

Vistra Site 4

11.7 km PM2.5: 5.1 µg/m³

Moss Landing

11.9 km PM2.5: 5.4 µg/m³

Vistra Site 3

11.9 km PM2.5: 4.4 µg/m³

Aptos

11.9 km PM2.5: 4.2 µg/m³

Vistra Site 1

12.0 km PM2.5: 4.1 µg/m³

Vistra Site 2

12.1 km PM2.5: 4.6 µg/m³

Elkhorn Elementary School

13.1 km PM2.5: 4.3 µg/m³

Castroville

15.9 km PM2.5: 5.2 µg/m³

What cities are near Watsonville?

18 Prunedale 20 Gilroy 17 Live Oak 18 Santa Cruz 18 Marina 20 Morgan Hill 23 Salinas 25 Hollister 18 Seaside 17 Pacific Grove

Get AQI alerts for Watsonville

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T22:41 UTC.