Herrick Ave ES (4515) Air Quality

Monitoring Station · Sylmar, United States

42

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast

45 5pm

48

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Station readings

45

48

42

Air Quality Forecast (24h)

PM2.510.0 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

Sylmar Public Library - Inside

1.4 km PM2.5: 5.8 µg/m³

Sylmar Public Library - Outside

1.5 km PM2.5: 9.6 µg/m³

2.3 km PM2.5: 11.4 µg/m³

Gridley ES (4295)

3.5 km PM2.5: 9.9 µg/m³

Van Gogh ES (7422)

4.0 km PM2.5: 8.6 µg/m³

Knollwood ES (4762)

4.2 km PM2.5: 9.8 µg/m³

North Valley Occupational Ctr (9329)

4.3 km PM2.5: 11.5 µg/m³

San Fernando MS (8358)

4.4 km PM2.5: 9.7 µg/m³

Nearby Cities

41 Sylmar 45 San Fernando 47 North Hills 48 Santa Clarita 43 Northridge 44 Canyon Country 44 Stevenson Ranch 38 Chatsworth 47 Reseda

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-20T20:57 UTC.