What is the air quality in Alum Rock today?

The current Air Quality Index (AQI) in Alum Rock is 29 (Good). PM2.5 concentration is 6.93 µg/m³.

What is the temperature in Alum Rock right now?

The current temperature in Alum Rock is 22.6°C (feels like 22.6°C). Humidity is 31.3% and wind speed is 17.8 km/h.

Is it safe to go outside in Alum Rock?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Alum Rock, United States

Clear

22.6°C · 31.3% humidity

22.6°

Feels 22.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

9 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 81 stn

View full history →

Alum 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.

31.3%

Humidity

17.8 km/h

Wind WNW

1018.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.93 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Alum Rock?

Temperature & Precipitation

PM2.5 Trend

46h · 81 stations

PM2.56.93 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (9 stations within 25 km)

6.93

Median

5.11

Average

3.11

Low

9.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -1.1

What is the 7-day forecast for Alum Rock?

10-20

25.6° 15.7°

10-21

24.9° 16.0°

10-22

26.4° 16.5°

10-23

23.0° 17.1°

10-24

23.1° 15.2°

10-25

23.9° 14.3°

1.13 mm

10-26

22.5° 15.3°

Both models agree Avg diff: 5.6°C

Where are air quality stations near Alum Rock?

Cristo Rey Jesuit High School

3.7 km PM2.5: 5.6 µg/m³

San Jose-Knox Avenue, Santa Clara, California

3.7 km PM2.5: 9.1 µg/m³

San Jose-Knox Avenue, Santa Clara, California

3.7 km PM2.5: 7.2 µg/m³

San Jose - Jackson St, Santa Clara, California

6.3 km PM2.5: 3.6 µg/m³

San Jose - Jackson St, Santa Clara, California

6.3 km PM2.5: 3.4 µg/m³

Cupertino City Hall

18.6 km PM2.5: 3.5 µg/m³

JFK Middle School

20.7 km PM2.5: 4.9 µg/m³

Environment Education Center

21.7 km PM2.5: 3.1 µg/m³

N Foothhill Blvd

21.9 km PM2.5: 4.0 µg/m³

Acterra!

25.5 km PM2.5: 4.1 µg/m³

What cities are near Alum Rock?

16 San Jose 22 Milpitas 19 Santa Clara 20 Campbell 18 Sunnyvale 15 Cupertino 19 Los Gatos 18 Saratoga 18 Mountain View 19 Los Altos

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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 2026-10-20T20:57 UTC.