Air Quality in Sylmar, United States

Windy
32.2°C · 22.6% humidity
32.2°
Feels 32.2°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
24 1pm
24
24
23 4pm
24
24
24 7pm
24
36
36 10pm
36
36
36 1am
36
36
36 4am
36
36
36 7am
36
36
36 10am
36
24
Station readings
21
17
21
CAMS model adj -30
54
54
54
54
54
54
54
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
54
AD 728×90

Air Quality Index Trend

47h · 1 stn

Sylmar's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

22.6%
Humidity
43.4 km/h
Wind SSW
1010.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.5 µg/m³
PM10▲
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Sylmar?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.5 µg/m³ ✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (1 station within 25 km)
5.5
Median
5.5
Average
5.5
Low
5.5
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +14.8

What is the 7-day forecast for Sylmar?

08-03
36.9° 20.1°
08-04
32.7° 22.2°
08-05
35.3° 18.6°
08-06
35.7° 14.2°
08-07
32.3° 17.9°
08-08
33.0° 16.4°
08-09
34.7° 14.1°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Sylmar?

40
Sylmar Public Library - Outside
0.1 km PM2.5: 9.6 µg/m³
26
Sylmar Public Library - Inside
0.3 km PM2.5: 6.2 µg/m³
47
Dyer ES (3493)
0.9 km PM2.5: 11.3 µg/m³
43
Herrick Ave ES (4515)
1.6 km PM2.5: 10.4 µg/m³
45
Gridley ES (4295)
1.9 km PM2.5: 10.9 µg/m³
52
Harding ES (4431)
3.0 km PM2.5: 12.6 µg/m³
40
San Fernando MS (8358)
3.1 km PM2.5: 9.7 µg/m³
41
North Valley Occupational Ctr (9329)
3.5 km PM2.5: 9.9 µg/m³
37
Danube ES (3335)
4.4 km PM2.5: 8.8 µg/m³
30
Knollwood ES (4762)
4.7 km PM2.5: 7.3 µg/m³

What cities are near Sylmar?

23 San Fernando 23 North Hills 23 Northridge 23 Santa Clarita 23 Canyon Country 23 Van Nuys 18 Valley Glen 21 Sunland 23 Reseda 23 Stevenson Ranch
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:57 UTC.