Knollwood ES (4762) Air Quality

Monitoring Station · Sylmar, United States
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 5am
41
41
41 8am
41
53
53 11am
53
53
53 2pm
41
41
41 5pm
41
41
8pm
11pm
2am
Station readings
40
41
CAMS model adj -13
54
54
54
54
54
66
66
66
66
66
54
54
54
54
54
PM2.59.8 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T08:13 UTC.