Knollwood ES (4762) Air Quality

Monitoring Station · Sylmar, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
41 2am
40
46
46 5am
46
46
46 8am
46
58
58 11am
58
58
58 2pm
46
46
— 5pm
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—
— 8pm
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— 11pm
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Station readings
41
40
CAMS model adj -8
54
54
54
54
54
54
54
54
66
66
66
66
66
54
54

Air Quality Forecast (24h)

PM2.59.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

36
Rinaldi Adult Center (9365)
2.1 km PM2.5: 8.6 µg/m³
40
Danube ES (3335)
2.1 km PM2.5: 9.6 µg/m³
35
Van Gogh ES (7422)
2.5 km PM2.5: 8.5 µg/m³
42
North Valley Occupational Ctr (9329)
3.4 km PM2.5: 10.0 µg/m³
40
Mayall ES (5198)
3.4 km PM2.5: 9.7 µg/m³
33
Andasol ES (2117)
4.0 km PM2.5: 7.9 µg/m³
36
Vintage Math/Sci Mag ES (7562)
4.0 km PM2.5: 8.6 µg/m³
41
Herrick Ave ES (4515)
4.2 km PM2.5: 9.8 µg/m³

Nearby Cities

37 Sylmar 38 San Fernando 40 North Hills 37 Northridge 36 Reseda 35 Chatsworth 38 Winnetka 36 Van Nuys 25 Santa Clarita

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:37 UTC.