Air Quality in Alum Rock, United States

Rain
18.1°C · 67.2% humidity
18.1°
Feels 18.1°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
19 7pm
17
15
25 10pm
25
12
25 1am
25
25
25 4am
25
37
50 7am
50
75
75 10am
75
50
25 1pm
37
25
25 4pm
25
25
Station readings
19
17
15
CAMS model
12
12
12
25
25
12
25
25
25
25
25
37
50
50
75
75
75
50
25
37
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

23h · 75 stations
67.2%
Humidity
34.9 km/h
Wind W
1009.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Alum Rock?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
5.9
Median
6.1
Average
4.96
Low
7.33
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +3.0
Both models agree Avg diff: 2.3°C

Where are air quality stations near Alum Rock?

28
Cristo Rey Jesuit High School
3.7 km PM2.5: 6.8 µg/m³
5
San Jose-Knox Avenue, Santa Clara, California
3.7 km
65
San Jose - Jackson St, Santa Clara, California
6.3 km
42
San Jose - Jackson St, Santa Clara, California
6.3 km
24
Andrew Hill High School
8.3 km PM2.5: 5.8 µg/m³
22
Cupertino City Hall
18.6 km PM2.5: 5.2 µg/m³
25
JFK Middle School
20.7 km PM2.5: 6.1 µg/m³
19
Environment Education Center
21.7 km PM2.5: 4.6 µg/m³
22
N Foothhill Blvd
21.9 km PM2.5: 5.2 µg/m³
18
Acterra!
25.5 km PM2.5: 4.2 µg/m³

What cities are near Alum Rock?

24 San Jose 23 Milpitas 23 Santa Clara 23 Campbell 22 Sunnyvale 22 Cupertino 22 Los Gatos 20 Saratoga 22 Mountain View 22 Los Altos

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:47 UTC.