Dyer ES (3493) Air Quality

Monitoring Station · Sylmar, United States
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
54 11pm
52
56
56 2am
56
56
56 5am
56
56
56 8am
56
68
68 11am
68
68
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
Station readings
54
52
CAMS model adj +2
54
54
54
54
54
54
54
54
54
54
54
66
66
66
66

Air Quality Forecast (24h)

PM2.512.7 µg/m³ ✓ WHO
Moderate
View city history →

Nearby Monitoring Stations

43
Sylmar Public Library - Outside
0.9 km PM2.5: 10.4 µg/m³
27
Sylmar Public Library - Inside
1.0 km PM2.5: 6.5 µg/m³
48
Gridley ES (4295)
1.7 km PM2.5: 11.6 µg/m³
46
San Fernando MS (8358)
2.1 km PM2.5: 11.1 µg/m³
51
Herrick Ave ES (4515)
2.3 km PM2.5: 12.3 µg/m³
49
North Valley Occupational Ctr (9329)
2.6 km PM2.5: 11.8 µg/m³
54
Harding ES (4431)
2.9 km PM2.5: 13.5 µg/m³
48
Danube ES (3335)
3.8 km PM2.5: 11.6 µg/m³

Nearby Cities

42 Sylmar 46 San Fernando 46 North Hills 42 Northridge 42 Van Nuys 44 Valley Glen 20 Santa Clarita 32 Reseda 34 Sunland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:44 UTC.