What is the air quality in Stevenson Ranch today?

The current Air Quality Index (AQI) in Stevenson Ranch is 44 (Good). PM2.5 concentration is 10.54 µg/m³.

What is the temperature in Stevenson Ranch right now?

The current temperature in Stevenson Ranch 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 Stevenson Ranch?

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

Air Quality in Stevenson Ranch, United States

Clear

32.4°C · 7.7% humidity

32.4°

Feels 32.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

59 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

48h · 1 stn

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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.

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▲

10.54 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Stevenson Ranch?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.510.54 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (59 stations within 25 km)

10.54

Median

10.39

Average

4.23

Low

17.3

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +3.0

What is the 7-day forecast for Stevenson Ranch?

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: 5.6°C

Where are air quality stations near Stevenson Ranch?

Santa Clarita-Placerita, Los Angeles

4.2 km PM2.5: 12.1 µg/m³

Santa Clarita-Placerita, Los Angeles

4.2 km PM2.5: 8.9 µg/m³

Porter Ranch Cmty Sch (2303)

10.8 km PM2.5: 8.6 µg/m³

Castlebay Ln ES (2881)

11.0 km PM2.5: 6.3 µg/m³

Van Gogh ES (7422)

11.4 km PM2.5: 8.6 µg/m³

Herrick Ave ES (4515)

13.1 km PM2.5: 10.0 µg/m³

Rinaldi Adult Center (9365)

13.6 km PM2.5: 9.1 µg/m³

Knollwood ES (4762)

13.9 km PM2.5: 9.8 µg/m³

DA GOAT

14.1 km 26.2°C 49.0% RH PM2.5: 7.0 µg/m³

Sylmar Public Library - Inside

14.5 km PM2.5: 5.8 µg/m³

What cities are near Stevenson Ranch?

48 Santa Clarita 42 Valencia 44 Canyon Country 41 Castaic 41 Sylmar 38 Chatsworth 45 San Fernando 43 Northridge 47 North Hills 42 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 2026-10-20T20:56 UTC.