What is the air quality in South Pasadena today?

The current Air Quality Index (AQI) in South Pasadena is 27 (Good). PM2.5 concentration is 6.43 µg/m³.

What is the temperature in South Pasadena right now?

The current temperature in South Pasadena is 25.7°C (feels like 25.7°C). Humidity is 41.2% and wind speed is 41.3 km/h.

Is it safe to go outside in South Pasadena?

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

Air Quality in South Pasadena, United States

Windy

25.7°C · 41.2% humidity

25.7°

Feels 25.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

96 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 2 stn

View full history →

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

41.2%

Humidity

41.3 km/h

Wind SSW

1012.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.43 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for South Pasadena?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.56.43 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (96 stations within 25 km)

6.43

Median

6.81

Average

0.33

Low

13.1

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +1.8

What is the 7-day forecast for South Pasadena?

10-21

25.7° 16.5°

10-22

31.1° 18.7°

10-23

23.3° 17.8°

10-24

24.8° 15.5°

0.38 mm

10-25

26.6° 11.4°

0.13 mm

10-26

26.7° 17.1°

0.62 mm

10-27

24.7° 13.2°

1.19 mm

Both models agree Avg diff: 5.6°C

Where are air quality stations near South Pasadena?

San Pascual ES (6493)

2.1 km PM2.5: 6.1 µg/m³

Sierra Vista ES (6767)

2.4 km PM2.5: 6.9 µg/m³

Annandale ES (2151)

3.6 km PM2.5: 6.3 µg/m³

El Sereno ES (3562)

3.8 km PM2.5: 7.2 µg/m³

Sierra Park ES (6753)

4.2 km PM2.5: 6.8 µg/m³

RBAC Rose Bowl Aquatics Center

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

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

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

Buchanan ES (2603)

5.2 km PM2.5: 6.3 µg/m³

Arroyo Seco Museum Science Magnet SPAN (4322)

5.2 km PM2.5: 5.8 µg/m³

Eagle Rock ES (3507)

6.2 km PM2.5: 6.0 µg/m³

What cities are near South Pasadena?

28 Alhambra 27 San Gabriel 29 Monterey Park 28 Rosemead 24 Altadena 26 Temple City 31 Atwater Village 26 La Cañada Flintridge 30 East Los Angeles 30 Boyle Heights

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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 2026-10-21T01:11 UTC.