Air Quality in South Pasadena, United States

Windy
17.8°C · 66.3% humidity
17.8°
Feels 17.8°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
94 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
53 5pm
52
23
48 8pm
48
48
48 11pm
48
48
48 2am
48
48
48 5am
48
48
48 8am
48
48
48 11am
48
48
48 2pm
48
23
Station readings
53
52
23
CAMS model adj -27
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
50
AD 728×90

PM2.5 Trend (24h)

32h · 3 stations
66.3%
Humidity
49.7 km/h
Wind S
1013.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for South Pasadena?

Temperature & Precipitation

PM2.512.86 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (94 stations within 25 km)
12.86
Median
12.86
Average
0.76
Low
19.39
High
PM2.5 µg/m³ · Model: 36.9 · Bias: +24.0

What is the 7-day forecast for South Pasadena?

04-09
22.8° 12.7°
04-10
17.0° 11.2°
12.69 mm
04-11
13.9° 9.6°
16.19 mm
04-12
12.5° 6.4°
0.69 mm
04-13
13.8° 7.1°
0.06 mm
04-14
20.0° 10.2°
04-15
22.2° 14.9°
Both models agree Avg diff: 2.7°C

Where are air quality stations near South Pasadena?

46
San Pascual ES (6493)
2.1 km PM2.5: 11.1 µg/m³
52
Sierra Vista ES (6767)
2.4 km PM2.5: 12.5 µg/m³
46
Annandale ES (2151)
3.6 km PM2.5: 11.1 µg/m³
54
El Sereno ES (3562)
3.8 km PM2.5: 13.3 µg/m³
53
Sierra Park ES (6753)
4.2 km PM2.5: 13.0 µg/m³
5
RBAC Rose Bowl Aquatics Center
4.2 km PM2.5: 1.1 µg/m³ PM10: 1.5 µg/m³
42
united-states-of-america-san-marino-sierra-madre-boulevard
5.0 km 32.9°C 34.0% RH PM2.5: 10.0 µg/m³ PM10: 11.0 µg/m³
52
Buchanan ES (2603)
5.2 km PM2.5: 12.5 µg/m³
49
Arroyo Seco Museum Science Magnet SPAN (4322)
5.2 km PM2.5: 11.7 µg/m³
50
Eagle Rock ES (3507)
6.2 km PM2.5: 12.0 µg/m³

What cities are near South Pasadena?

52 Alhambra 52 San Gabriel 52 Monterey Park 53 Rosemead 54 Altadena 53 Temple City 53 Atwater Village 54 La Cañada Flintridge 52 East Los Angeles 52 Boyle Heights

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:25 UTC.