What is the air quality in Gilroy today?

The current Air Quality Index (AQI) in Gilroy is 18 (Good). PM2.5 concentration is 4.16 µg/m³.

What is the temperature in Gilroy right now?

The current temperature in Gilroy is 19.2°C (feels like 19.2°C). Humidity is 45.1% and wind speed is 48.1 km/h.

Is it safe to go outside in Gilroy?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Gilroy, United States

Windy

19.2°C · 45.1% humidity

19.2°

Feels 19.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

27 4pm

18 7pm

24 10pm

26 1am

27 4am

27 7am

27 10am

27 1pm

Air Quality Index Trend

46h · 38 stn

View full history →

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

45.1%

Humidity

48.1 km/h

Wind SW

1011.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.16 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Gilroy?

Temperature & Precipitation

PM2.5 Trend

46h · 38 stations

PM2.54.16 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (4 stations within 25 km)

4.16

Median

4.33

Average

3.17

Low

5.4

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +2.1

What is the 7-day forecast for Gilroy?

05-30

19.2° 9.7°

05-31

26.3° 14.0°

06-01

27.2° 7.9°

06-02

24.5° 8.1°

06-03

28.2° 4.6°

06-04

26.1° 5.9°

06-05

26.5° 9.5°

Both models agree Avg diff: 3.4°C

Where are air quality stations near Gilroy?

Aromas School

14.5 km PM2.5: 3.6 µg/m³

San Juan Bautista

18.5 km PM2.5: 5.1 µg/m³

Watsonville - Starlight Elementary School

20.4 km PM2.5: 3.2 µg/m³

Hollister-Rancho San Justo Middle School

23.8 km PM2.5: 5.4 µg/m³

Hollister-Fairview Road, San Benito, California

25.7 km PM2.5: 10.1 µg/m³

Elkhorn Elementary School

26.8 km PM2.5: 3.2 µg/m³

Moss Landing

29.5 km PM2.5: 3.5 µg/m³

What cities are near Gilroy?

20 Morgan Hill 13 Watsonville 23 Hollister 15 Prunedale 16 Live Oak 15 Salinas 15 Santa Cruz 14 Marina 17 Los Gatos 18 Campbell

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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 2026-05-30T02:29 UTC.