Air Quality in Gilroy, United States
Clear
26.1°C · 18.8% humidity
26.1°
Feels 26.1°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
46h · 46 stnGilroy's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
18.8%
Humidity
17.0 km/h
Wind SW
1018.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.18 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Gilroy?
Temperature & Precipitation
PM2.5 Trend
46h · 46 stationsPM2.55.18 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (4 stations within 25 km)
5.18
Median
5.29
Average
4.24
Low
6.25
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +0.6
What is the 7-day forecast for Gilroy?
10-20
28.6° 11.9°
10-21
26.0° 12.0°
10-22
31.5° 12.3°
10-23
26.5° 11.9°
10-24
25.6° 11.0°
10-25
28.0° 10.8°
0.88 mm
10-26
25.3° 10.8°
Both models agree
Avg diff: 5.1°C
Where are air quality stations near Gilroy?
19
Aromas School
25
San Juan Bautista
18
Watsonville - Starlight Elementary School
25
Hollister-Rancho San Justo Middle School
18
Elkhorn Elementary School
19
Vistra Site 3
20
Vistra Site 2
22
Vistra Site 4
19
Vistra Site 1
25
Moss Landing
What cities are near Gilroy?
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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 2026-10-20T20:55 UTC.