Knollwood ES (4762) Air Quality

Monitoring Station · Sylmar, United States
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
39 5pm
36
39
39 8pm
39
39
39 11pm
39
39
39 2am
39
39
39 5am
39
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Station readings
39
36
CAMS model adj -15
54
54
54
54
54
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54
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54

Air Quality Forecast (24h)

PM2.58.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

35
Rinaldi Adult Center (9365)
2.1 km PM2.5: 8.5 µg/m³
39
Danube ES (3335)
2.1 km PM2.5: 9.3 µg/m³
34
Van Gogh ES (7422)
2.5 km PM2.5: 8.1 µg/m³
40
North Valley Occupational Ctr (9329)
3.4 km PM2.5: 9.7 µg/m³
39
Mayall ES (5198)
3.4 km PM2.5: 9.3 µg/m³
34
Andasol ES (2117)
4.0 km PM2.5: 8.1 µg/m³
35
Vintage Math/Sci Mag ES (7562)
4.0 km PM2.5: 8.3 µg/m³
40
Herrick Ave ES (4515)
4.2 km PM2.5: 9.6 µg/m³

Nearby Cities

36 Sylmar 38 San Fernando 37 North Hills 36 Northridge 37 Reseda 30 Chatsworth 33 Winnetka 28 Van Nuys 31 Santa Clarita

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:13 UTC.