Annandale ES (2151) Air Quality

Monitoring Station · South Pasadena, United States
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
51 9pm
49
50
50 12am
50
50
50 3am
50
50
38 6am
38
38
38 9am
38
38
— 12pm
—
—
— 3pm
—
—
— 6pm
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Station readings
51
49
CAMS model adj -16
66
66
66
66
66
66
66
66
66
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.511.7 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

48
San Pascual ES (6493)
1.7 km PM2.5: 11.4 µg/m³
49
Buchanan ES (2603)
2.1 km PM2.5: 11.7 µg/m³
47
Eagle Rock ES (3507)
2.5 km PM2.5: 11.2 µg/m³
44
Eagle Rock Public Library - Outside
2.8 km PM2.5: 10.5 µg/m³
20
Eagle Rock Public Library - Inside
3.1 km PM2.5: 4.8 µg/m³
16
RBAC Rose Bowl Aquatics Center
3.3 km PM2.5: 3.8 µg/m³
47
Arroyo Seco Museum Science Magnet SPAN (4322)
3.4 km PM2.5: 11.2 µg/m³
54
El Sereno ES (3562)
4.4 km PM2.5: 13.6 µg/m³

Nearby Cities

22 South Pasadena 18 Atwater Village 30 Alhambra 16 La Cañada Flintridge 34 San Gabriel 21 Altadena 20 Echo Park 20 Silver Lake 29 Monterey Park

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T00:46 UTC.