Annandale ES (2151) Air Quality

Monitoring Station · South Pasadena, United States
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
45 10pm
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49
49 1am
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49 4am
49
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49 7am
49
49
49 10am
49
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— 1pm
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— 4pm
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— 7pm
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CAMS model adj -5
54
54
54
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54

Air Quality Forecast (24h)

PM2.510.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

42
San Pascual ES (6493)
1.7 km PM2.5: 10.2 µg/m³
45
Buchanan ES (2603)
2.1 km PM2.5: 10.8 µg/m³
43
Eagle Rock ES (3507)
2.5 km PM2.5: 10.3 µg/m³
41
Eagle Rock Public Library - Outside
2.8 km PM2.5: 9.8 µg/m³
18
Eagle Rock Public Library - Inside
3.1 km PM2.5: 4.2 µg/m³
7
RBAC Rose Bowl Aquatics Center
3.3 km PM2.5: 1.7 µg/m³
38
Arroyo Seco Museum Science Magnet SPAN (4322)
3.4 km PM2.5: 9.2 µg/m³
50
El Sereno ES (3562)
4.4 km PM2.5: 11.9 µg/m³

Nearby Cities

42 South Pasadena 44 Atwater Village 42 Alhambra 40 La Cañada Flintridge 42 San Gabriel 39 Altadena 43 Echo Park 39 Silver Lake 42 Monterey Park

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T01:00 UTC.