Dyer ES (3493) Air Quality

Monitoring Station · Sylmar, United States
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
38 3am
39
45
45 6am
45
45
45 9am
45
45
45 12pm
45
45
45 3pm
45
45
— 6pm
—
—
— 9pm
—
—
— 12am
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Station readings
38
39
CAMS model adj -21
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66

Air Quality Forecast (24h)

PM2.59.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

37
Sylmar Public Library - Outside
0.9 km PM2.5: 8.8 µg/m³
25
Sylmar Public Library - Inside
1.0 km PM2.5: 5.9 µg/m³
37
Gridley ES (4295)
1.7 km PM2.5: 8.9 µg/m³
35
San Fernando MS (8358)
2.1 km PM2.5: 8.5 µg/m³
37
Herrick Ave ES (4515)
2.3 km PM2.5: 8.8 µg/m³
37
North Valley Occupational Ctr (9329)
2.6 km PM2.5: 8.8 µg/m³
45
Harding ES (4431)
2.9 km PM2.5: 10.8 µg/m³
35
Danube ES (3335)
3.8 km PM2.5: 8.4 µg/m³

Nearby Cities

23 Sylmar 23 San Fernando 23 North Hills 23 Northridge 23 Van Nuys 18 Valley Glen 23 Santa Clarita 23 Reseda 21 Sunland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T06:38 UTC.