Annandale ES (2151) Air Quality

Monitoring Station · South Pasadena, United States
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
35 2pm
34
22
10 5pm
10
10
10 8pm
10
10
10 11pm
10
10
10 2am
10
10
— 5am
—
—
— 8am
—
—
— 11am
—
—
Station readings
35
34
CAMS model adj -44
66
66
66
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

30
San Pascual ES (6493)
1.7 km PM2.5: 7.1 µg/m³
39
Buchanan ES (2603)
2.1 km PM2.5: 9.3 µg/m³
38
Eagle Rock ES (3507)
2.5 km PM2.5: 9.2 µg/m³
40
Eagle Rock Public Library - Outside
2.8 km PM2.5: 9.7 µg/m³
20
Eagle Rock Public Library - Inside
3.1 km PM2.5: 4.7 µg/m³
1
RBAC Rose Bowl Aquatics Center
3.3 km PM2.5: 0.2 µg/m³
35
Arroyo Seco Museum Science Magnet SPAN (4322)
3.4 km PM2.5: 8.3 µg/m³
41
El Sereno ES (3562)
4.4 km PM2.5: 9.9 µg/m³

Nearby Cities

37 South Pasadena 45 Atwater Village 40 Alhambra 37 La Cañada Flintridge 39 San Gabriel 34 Altadena 44 Echo Park 40 Silver Lake 42 Monterey Park

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T17:29 UTC.