Air Quality in Sylmar, United States

Drizzle
15.1°C · 60.7% humidity
15.1°
Feels 15.1°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
83 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
53 7pm
53
51
20 10pm
47
22
22 1am
9
22
22 4am
47
47
47 7am
47
47
47 10am
47
47
47 1pm
47
47
22 4pm
22
47
Station readings
53
53
51
20
CAMS model adj -28
75
75
75
75
75
50
50
37
50
50
75
75
75
75
75
75
75
75
75
75
75
50
50
75
AD 728×90

PM2.5 Trend (24h)

32h · 3 stations
60.7%
Humidity
66.3 km/h
Wind SW
1010.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Sylmar?

Temperature & Precipitation

PM2.511.6 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (83 stations within 25 km)
11.6
Median
12.17
Average
3.36
Low
19.38
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +6.1

What is the 7-day forecast for Sylmar?

04-09
22.0° 11.8°
0.13 mm
04-10
15.1° 10.8°
6.5 mm
04-11
14.8° 8.3°
17.37 mm
04-12
12.9° 7.3°
0.5 mm
04-13
13.1° 5.8°
0.13 mm
04-14
19.1° 7.7°
04-15
22.1° 12.4°
Both models agree Avg diff: 2.3°C

Where are air quality stations near Sylmar?

48
Sylmar Public Library - Outside
0.1 km PM2.5: 11.4 µg/m³
27
Sylmar Public Library - Inside
0.3 km PM2.5: 6.4 µg/m³
55
Dyer ES (3493)
0.9 km PM2.5: 14.2 µg/m³
56
Herrick Ave ES (4515)
1.6 km PM2.5: 14.4 µg/m³
55
Gridley ES (4295)
1.9 km PM2.5: 14.0 µg/m³
59
Harding ES (4431)
3.0 km PM2.5: 16.0 µg/m³
51
San Fernando MS (8358)
3.1 km PM2.5: 12.1 µg/m³
55
North Valley Occupational Ctr (9329)
3.5 km PM2.5: 14.2 µg/m³
54
Danube ES (3335)
4.4 km PM2.5: 13.5 µg/m³
51
Knollwood ES (4762)
4.7 km PM2.5: 12.1 µg/m³

What cities are near Sylmar?

51 San Fernando 54 North Hills 53 Northridge 47 Santa Clarita 51 Canyon Country 53 Van Nuys 53 Valley Glen 53 Sunland 54 Reseda 47 Stevenson Ranch

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:55 UTC.