Annandale ES (2151)

Monitoring Station · South Pasadena, United States
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 8pm
51
48
48 11pm
48
48
48 2am
48
48
48 5am
48
48
48 8am
48
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— 11am
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— 2pm
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— 5pm
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Station readings
50
51
CAMS model adj -27
75
75
75
75
75
75
75
75
75
75
75
75
75
75

Air Quality Trend (24h)

PM2.512.2 µg/m³ ✓ WHO
Moderate

Nearby Monitoring Stations

49
San Pascual ES (6493)
1.7 km PM2.5: 11.7 µg/m³
53
Buchanan ES (2603)
2.1 km PM2.5: 12.9 µg/m³
52
Eagle Rock ES (3507)
2.5 km PM2.5: 12.4 µg/m³
51
Eagle Rock Public Library - Outside
2.8 km PM2.5: 12.1 µg/m³
3
RBAC Rose Bowl Aquatics Center
3.3 km PM2.5: 0.8 µg/m³
47
Arroyo Seco Museum Science Magnet SPAN (4322)
3.4 km PM2.5: 11.3 µg/m³
53
El Sereno ES (3562)
4.4 km PM2.5: 13.2 µg/m³
52
Sierra Vista ES (6767)
4.4 km PM2.5: 12.7 µg/m³

Nearby Cities

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

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T23:11 UTC.