Air Quality in Stevenson Ranch, 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 5pm
24
24
23 8pm
36
36
36 11pm
36
36
36 2am
36
36
36 5am
36
36
36 8am
36
36
36 11am
24
24
24 2pm
24
24
Station readings
42
29
CAMS model adj -30
54
54
54
54
66
66
66
66
66
66
66
66
66
66
66
66
66
66
66
54
54
54
54
54
AD 728×90

Air Quality Index Trend

46h · 1 stn

Stevenson Ranch'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 Stevenson Ranch?

Temperature & Precipitation

PM2.5 Trend

46h · 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: 16.35 · Bias: +10.9

What is the 7-day forecast for Stevenson Ranch?

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: 3.6°C

Where are air quality stations near Stevenson Ranch?

74
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 23.0 µg/m³
67
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 19.7 µg/m³
20
Porter Ranch Cmty Sch (2303)
10.8 km PM2.5: 4.7 µg/m³
18
Castlebay Ln ES (2881)
11.0 km PM2.5: 4.2 µg/m³
20
Van Gogh ES (7422)
11.4 km PM2.5: 4.9 µg/m³
28
Herrick Ave ES (4515)
13.1 km PM2.5: 6.7 µg/m³
17
Rinaldi Adult Center (9365)
13.6 km PM2.5: 4.0 µg/m³
19
Knollwood ES (4762)
13.9 km PM2.5: 4.5 µg/m³
29
DA GOAT
14.1 km 30.2°C 45.0% RH PM2.5: 7.0 µg/m³
23
Sylmar Public Library - Inside
14.5 km PM2.5: 5.6 µg/m³

What cities are near Stevenson Ranch?

23 Santa Clarita 23 Valencia 23 Canyon Country 60 Castaic 23 Sylmar 23 Chatsworth 23 San Fernando 23 Northridge 23 North Hills 23 Winnetka
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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 2026-08-08T03:00 UTC.