Air Quality in Alum Rock, United States
Windy
19.8°C · 36.7% humidity
19.8°
Feels 19.8°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations
Nearby Monitoring Stations
AQI Forecast
27
3pm
27
27
22
6pm
25
28
30
9pm
31
32
32
12am
33
33
33
3am
27
27
27
6am
27
27
25
9am
25
25
24
12pm
24
24
Air Quality Index Trend
45h · 83 stnAlum Rock's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
36.7%
Humidity
68.8 km/h
Wind WNW
1017.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Alum Rock?
Temperature & Precipitation
PM2.5 Trend
45h · 83 stationsPM2.55.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (7 stations within 25 km)
5.15
Median
4.46
Average
3.11
Low
6.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.1
What is the 7-day forecast for Alum Rock?
06-09
21.9° 13.0°
06-10
28.4° 15.5°
06-11
31.2° 18.3°
06-12
27.4° 15.0°
06-13
24.2° 12.3°
06-14
26.9° 15.8°
06-15
25.0° 14.0°
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Alum Rock?
17
Cristo Rey Jesuit High School
49
San Jose-Knox Avenue, Santa Clara, California
40
San Jose-Knox Avenue, Santa Clara, California
30
San Jose - Jackson St, Santa Clara, California
15
Cupertino City Hall
18
JFK Middle School
13
Environment Education Center
15
N Foothhill Blvd
15
Acterra!
What cities are near Alum Rock?
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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 2026-06-09T01:04 UTC.