Annandale ES (2151)

Monitoring Station · South Pasadena, United States
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
48 7pm
50
47
47 10pm
47
47
47 1am
47
47
47 4am
47
47
47 7am
47
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— 10am
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— 1pm
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— 4pm
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Station readings
48
50
CAMS model adj -28
75
75
75
75
75
75
75
75
75
75
75
75
75
75

Air Quality Trend (24h)

PM2.512.0 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

48
San Pascual ES (6493)
1.7 km PM2.5: 11.6 µg/m³
53
Buchanan ES (2603)
2.1 km PM2.5: 13.1 µg/m³
51
Eagle Rock ES (3507)
2.5 km PM2.5: 12.3 µg/m³
51
Eagle Rock Public Library - Outside
2.8 km PM2.5: 12.3 µg/m³
6
RBAC Rose Bowl Aquatics Center
3.3 km PM2.5: 1.5 µg/m³
49
Arroyo Seco Museum Science Magnet SPAN (4322)
3.4 km PM2.5: 11.8 µg/m³
54
El Sereno ES (3562)
4.4 km PM2.5: 13.6 µg/m³
53
Sierra Vista ES (6767)
4.4 km PM2.5: 12.9 µg/m³

Nearby Cities

53 South Pasadena 54 Atwater Village 52 Alhambra 54 La Cañada Flintridge 52 San Gabriel 54 Altadena 54 Echo Park 54 Silver Lake 52 Monterey Park

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:16 UTC.