What is the air quality in South San Jose Hills today?

The current Air Quality Index (AQI) in South San Jose Hills is 42 (Good). PM2.5 concentration is 10.11 µg/m³.

What is the temperature in South San Jose Hills right now?

The current temperature in South San Jose Hills is 26.1°C (feels like 26.1°C). Humidity is 53.2% and wind speed is 58.0 km/h.

Is it safe to go outside in South San Jose Hills?

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

Air Quality in South San Jose Hills, United States

Windy

26.1°C · 53.2% humidity

26.1°

Feels 26.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

12 2pm

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42 5pm

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— 8pm

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— 11pm

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— 2am

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— 5am

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— 8am

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— 11am

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Station readings

Air Quality Index Trend

48h · 2 stn

View full history →

South San Jose Hills's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

53.2%

Humidity

58.0 km/h

Wind SSW

1012.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.11 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for South San Jose Hills?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.510.11 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (4 stations within 25 km)

10.11

Median

8.68

Average

2.33

Low

14.0

High

PM2.5 µg/m³ · Model: 8.2 · Bias: -1.9

What is the 7-day forecast for South San Jose Hills?

10-21

26.2° 21.0°

10-22

33.0° 21.9°

10-23

24.8° 21.8°

10-24

25.7° 19.3°

0.19 mm

10-25

29.2° 18.2°

10-26

29.0° 19.8°

4.37 mm

10-27

27.5° 17.5°

1.13 mm

Both models agree Avg diff: 6.1°C

Where are air quality stations near South San Jose Hills?

Glendora-Laurel, Los Angeles

15.5 km PM2.5: 14.0 µg/m³

Glendora-Laurel, Los Angeles

15.5 km PM2.5: 11.0 µg/m³

united-states-of-america-san-marino-sierra-madre-boulevard

22.7 km 30.4°C 35.0% RH PM2.5: 3.0 µg/m³ PM10: 3.0 µg/m³

Garfield HS/Monterey CHS (8677)

23.5 km PM2.5: 6.9 µg/m³

Sierra Vista ES (6767)

25.2 km PM2.5: 6.9 µg/m³

Sierra Park ES (6753)

25.5 km PM2.5: 6.8 µg/m³

San Pascual ES (6493)

27.4 km PM2.5: 6.1 µg/m³

RBAC Rose Bowl Aquatics Center

28.5 km 29.5% RH PM2.5: 0.3 µg/m³ PM10: 0.1 µg/m³

What cities are near South San Jose Hills?

52 Walnut 47 Rowland Heights 31 La Puente 32 Valinda 30 Hacienda Heights 34 West Covina 30 West Puente Valley 29 Avocado Heights 49 Covina 52 Diamond Bar

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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 2026-10-21T00:44 UTC.