What is the air quality in Sylmar today?

The current Air Quality Index (AQI) in Sylmar is 45 (Good). PM2.5 concentration is 10.81 µg/m³.

What is the temperature in Sylmar right now?

The current temperature in Sylmar is 32.4°C (feels like 32.4°C). Humidity is 7.7% and wind speed is 21.7 km/h.

Is it safe to go outside in Sylmar?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Sylmar, United States

Clear

32.4°C · 7.7% humidity

32.4°

Feels 32.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

92 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

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.

7.7%

Humidity

21.7 km/h

Wind ENE

1016.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.81 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Sylmar?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.510.81 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (92 stations within 25 km)

10.81

Median

11.39

Average

4.11

Low

19.78

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +2.7

What is the 7-day forecast for Sylmar?

10-20

32.4° 18.7°

10-21

27.1° 13.5°

10-22

29.8° 18.3°

10-23

25.9° 16.4°

10-24

26.7° 14.9°

0.5 mm

10-25

24.5° 12.0°

0.44 mm

10-26

28.1° 15.6°

1.19 mm

Both models agree Avg diff: 6.0°C

Where are air quality stations near Sylmar?

Sylmar Public Library - Outside

0.1 km PM2.5: 10.9 µg/m³

Sylmar Public Library - Inside

0.3 km PM2.5: 5.9 µg/m³

Dyer ES (3493)

0.9 km PM2.5: 14.7 µg/m³

Herrick Ave ES (4515)

1.6 km PM2.5: 11.4 µg/m³

Gridley ES (4295)

1.9 km PM2.5: 11.9 µg/m³

Harding ES (4431)

3.0 km PM2.5: 13.6 µg/m³

San Fernando MS (8358)

3.1 km PM2.5: 12.0 µg/m³

North Valley Occupational Ctr (9329)

3.5 km PM2.5: 13.7 µg/m³

Danube ES (3335)

4.4 km PM2.5: 12.6 µg/m³

Knollwood ES (4762)

4.7 km PM2.5: 11.5 µg/m³

What cities are near Sylmar?

53 San Fernando 53 North Hills 49 Northridge 42 Santa Clarita 46 Canyon Country 40 Van Nuys 50 Valley Glen 26 Sunland 49 Reseda 44 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 2026-10-20T20:05 UTC.