Air Quality in South San Jose Hills, United States

Windy
31.6°C · 26.9% humidity
31.6°
Feels 31.6°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 11am
18
19
46 2pm
38
32
28 5pm
25
22
21 8pm
20
19
18 11pm
18
18
18 2am
17
17
17 5am
17
17
17 8am
17
17
Station readings
14
18
19
19
CAMS model adj -37
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

48h · 2 stn

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.

26.9%
Humidity
57.6 km/h
Wind SSW
1005.6 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
11.03 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for South San Jose Hills?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.511.03 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
11.03
Median
10.05
Average
7.0
Low
13.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +5.3

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

07-21
30.6° 25.2°
07-22
31.6° 25.0°
07-23
31.6° 24.1°
07-24
35.1° 23.9°
07-25
33.7° 25.1°
07-26
34.2° 22.2°
07-27
33.9° 25.1°
Both models agree Avg diff: 3.1°C

Where are air quality stations near South San Jose Hills?

40
Glendora-Laurel, Los Angeles
15.5 km PM2.5: 9.6 µg/m³
260
Glendora-Laurel, Los Angeles
15.5 km PM2.5: 210.0 µg/m³
38
Glendora-Laurel, Los Angeles
15.5 km PM2.5: 9.1 µg/m³
52
Glendora-Laurel, Los Angeles
15.5 km PM2.5: 12.6 µg/m³
58
Glendora-Laurel, Los Angeles
15.5 km PM2.5: 15.4 µg/m³
29
united-states-of-america-san-marino-sierra-madre-boulevard
22.7 km 40.2°C 29.0% RH PM2.5: 7.0 µg/m³ PM10: 8.0 µg/m³
41
Garfield HS/Monterey CHS (8677)
23.5 km PM2.5: 9.9 µg/m³
38
Sierra Vista ES (6767)
25.2 km PM2.5: 9.1 µg/m³
37
Sierra Park ES (6753)
25.5 km PM2.5: 8.8 µg/m³
33
San Pascual ES (6493)
27.4 km PM2.5: 7.9 µg/m³

What cities are near South San Jose Hills?

54 Walnut 50 Rowland Heights 38 La Puente 38 Valinda 39 Hacienda Heights 38 West Covina 38 West Puente Valley 38 Avocado Heights 52 Covina 54 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 2026-07-21T21:46 UTC.