Air Quality in Gilroy, United States

Drizzle
16.9°C · 61.0% humidity
16.9°
Feels 16.9°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 4pm
22
21
7 7pm
7
7
7 10pm
7
7
7 1am
7
20
20 4am
20
32
32 7am
32
45
45 10am
70
70
45 1pm
45
32
Station readings
21
22
21
CAMS model adj -5
25
25
25
12
12
12
12
12
12
12
12
25
25
25
37
37
37
50
50
75
75
50
50
37
AD 728×90

PM2.5 Trend (24h)

23h · 37 stations
61.0%
Humidity
21.5 km/h
Wind WSW
1011.4 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Gilroy?

Temperature & Precipitation

PM2.55.82 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (4 stations within 25 km)
5.82
Median
5.6
Average
4.58
Low
6.19
High
PM2.5 µg/m³ · Model: 7.4 · Bias: +1.6

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?

23
Aromas School
14.5 km PM2.5: 5.6 µg/m³
24
San Juan Bautista
18.5 km PM2.5: 5.8 µg/m³
20
Watsonville - Starlight Elementary School
20.4 km PM2.5: 4.8 µg/m³
25
Hollister-Rancho San Justo Middle School
23.8 km PM2.5: 6.1 µg/m³
50
Hollister-Fairview Road, San Benito, California
25.7 km
16
Hollister-Fairview Road, San Benito, California
25.7 km
17
Elkhorn Elementary School
26.8 km PM2.5: 4.1 µg/m³
14
Moss Landing
29.5 km PM2.5: 3.4 µg/m³

What cities are near Gilroy?

31 Morgan Hill 21 Watsonville 24 Hollister 15 Prunedale 24 Live Oak 14 Salinas 24 Santa Cruz 13 Marina 25 Los Gatos 28 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 2026-04-09T19:33 UTC.