Air Quality in South Pasadena, United States

Windy
29.8°C · 27.3% humidity
29.8°
Feels 29.8°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
96 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 10am
10
13
33 1pm
27
23
20 4pm
18
16
15 7pm
14
13
13 10pm
13
13
12 1am
12
12
12 4am
12
12
12 7am
12
12
Station readings
10
10
13
13
CAMS model adj -42
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 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.

27.3%
Humidity
43.3 km/h
Wind SSW
1009.2 hPa
Pressure
29.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
33
8.04 µg/m³
PM10▲
56
66.15 µg/m³
050100150200300500

What is the weather forecast for South Pasadena?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.58.04 µg/m³ ✓ WHO
Good
PM1066.15 µg/m³
Moderate
UV INDEX29.9
Extreme
AD 300×250
Station readings (96 stations within 25 km)
8.04
Median
9.09
Average
0.6
Low
21.6
High
PM2.5 µg/m³ · Model: 20.75 · Bias: +12.7

What is the 7-day forecast for South Pasadena?

07-21
29.8° 24.1°
07-22
32.1° 23.9°
07-23
31.9° 21.3°
1.13 mm
07-24
34.1° 23.3°
0.19 mm
07-25
31.8° 23.3°
07-26
35.5° 21.5°
07-27
34.7° 23.1°
Both models agree Avg diff: 2.7°C

Where are air quality stations near South Pasadena?

32
San Pascual ES (6493)
2.1 km PM2.5: 7.6 µg/m³
36
Sierra Vista ES (6767)
2.4 km PM2.5: 8.6 µg/m³
32
Annandale ES (2151)
3.6 km PM2.5: 7.8 µg/m³
38
El Sereno ES (3562)
3.8 km PM2.5: 9.0 µg/m³
35
Sierra Park ES (6753)
4.2 km PM2.5: 8.5 µg/m³
2
RBAC Rose Bowl Aquatics Center
4.2 km PM2.5: 0.6 µg/m³ PM10: 0.7 µg/m³
29
united-states-of-america-san-marino-sierra-madre-boulevard
5.0 km 41.3°C 23.0% RH PM2.5: 7.0 µg/m³ PM10: 7.0 µg/m³
34
Buchanan ES (2603)
5.2 km PM2.5: 8.1 µg/m³
31
Arroyo Seco Museum Science Magnet SPAN (4322)
5.2 km PM2.5: 7.4 µg/m³
33
Eagle Rock ES (3507)
6.2 km PM2.5: 8.0 µg/m³

What cities are near South Pasadena?

35 Alhambra 35 San Gabriel 37 Monterey Park 35 Rosemead 31 Altadena 34 Temple City 38 Atwater Village 33 La Cañada Flintridge 38 East Los Angeles 38 Boyle Heights
Get AQI alerts for South Pasadena

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:47 UTC.