Air Quality in Gilroy, United States

Drizzle
15.8°C · 52.3% humidity
15.8°
Feels 15.8°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
16 9pm
14
14
14 12am
14
14
27 3am
27
27
39 6am
39
39
52 9am
52
77
77 12pm
52
52
39 3pm
27
27
27 6pm
27
14
Station readings
16
14
CAMS model adj +2
12
12
12
12
12
12
25
25
25
37
37
37
50
50
75
75
50
50
37
25
25
25
25
12
AD 728×90

PM2.5 Trend (24h)

22h · 38 stations
52.3%
Humidity
62.9 km/h
Wind SW
1009.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Gilroy?

Temperature & Precipitation

PM2.53.88 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
3.88
Median
3.91
Average
3.3
Low
4.58
High
PM2.5 µg/m³ · Model: 14.65 · Bias: +10.8

What is the 7-day forecast for Gilroy?

04-09
19.1° 12.5°
0.69 mm
04-10
18.7° 7.7°
2.06 mm
04-11
17.2° 9.4°
1.56 mm
04-12
13.1° 4.8°
2.19 mm
04-13
15.5° 2.7°
0.81 mm
04-14
18.7° 3.5°
04-15
21.5° 8.3°
Both models agree Avg diff: 2.6°C

Where are air quality stations near Gilroy?

15
Aromas School
14.5 km PM2.5: 3.5 µg/m³
17
San Juan Bautista
18.5 km PM2.5: 4.0 µg/m³
13
Watsonville - Starlight Elementary School
20.4 km PM2.5: 3.1 µg/m³
18
Hollister-Rancho San Justo Middle School
23.8 km PM2.5: 4.4 µg/m³
21
Hollister-Fairview Road, San Benito, California
25.7 km
22
Hollister-Fairview Road, San Benito, California
25.7 km
12
Elkhorn Elementary School
26.8 km PM2.5: 2.9 µg/m³
12
Moss Landing
29.5 km PM2.5: 2.9 µg/m³

What cities are near Gilroy?

40 Morgan Hill 13 Watsonville 17 Hollister 13 Prunedale 15 Live Oak 12 Salinas 15 Santa Cruz 12 Marina 19 Los Gatos 19 Campbell

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:01 UTC.