Knollwood ES (4762) Air Quality

Monitoring Station · Sylmar, United States
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
38 3pm
35
25
25 6pm
25
25
25 9pm
25
25
25 12am
25
25
25 3am
25
25
— 6am
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— 9am
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— 12pm
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Station readings
38
35
CAMS model adj -29
66
66
54
54
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.58.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

38
Rinaldi Adult Center (9365)
2.1 km PM2.5: 9.2 µg/m³
41
Danube ES (3335)
2.1 km PM2.5: 9.8 µg/m³
28
Van Gogh ES (7422)
2.5 km PM2.5: 6.8 µg/m³
45
North Valley Occupational Ctr (9329)
3.4 km PM2.5: 10.7 µg/m³
45
Mayall ES (5198)
3.4 km PM2.5: 10.9 µg/m³
43
Andasol ES (2117)
4.0 km PM2.5: 10.4 µg/m³
41
Vintage Math/Sci Mag ES (7562)
4.0 km PM2.5: 9.9 µg/m³
32
Herrick Ave ES (4515)
4.2 km PM2.5: 7.8 µg/m³

Nearby Cities

35 Sylmar 36 San Fernando 45 North Hills 45 Northridge 43 Reseda 34 Chatsworth 42 Winnetka 36 Van Nuys 34 Santa Clarita

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T18:57 UTC.