Air Quality in Stevenson Ranch, United States

Windy
32.6°C · 14.0% humidity
32.6°
Feels 32.6°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
53 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 12pm
19
19
21 3pm
19
19
19 6pm
19
19
19 9pm
19
19
19 12am
19
19
19 3am
19
31
19 6am
19
19
19 9am
19
19
Station readings
25
12
17
17
CAMS model adj -35
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

40h · 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. Current PM2.5 concentration in Stevenson Ranch is 1.0× the WHO annual guideline of 5 µg/m³.

14.0%
Humidity
66.6 km/h
Wind WSW
1010.9 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.02 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Stevenson Ranch?

Temperature & Precipitation

PM2.5 Trend

40h · 1 station
PM2.55.02 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (53 stations within 25 km)
5.02
Median
5.03
Average
2.72
Low
7.19
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +4.7

What is the 7-day forecast for Stevenson Ranch?

05-28
28.9° 13.5°
05-29
32.6° 14.3°
05-30
20.7° 10.9°
05-31
29.9° 17.2°
06-01
32.6° 12.9°
06-02
29.7° 10.9°
06-03
31.0° 8.1°
Both models agree Avg diff: 5.3°C

Where are air quality stations near Stevenson Ranch?

17
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 4.1 µg/m³
80
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 25.9 µg/m³
58
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 15.4 µg/m³
34
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 8.2 µg/m³
20
Santa Clarita-Placerita, Los Angeles
4.2 km PM2.5: 4.8 µg/m³
17
Porter Ranch Cmty Sch (2303)
10.8 km PM2.5: 4.0 µg/m³
18
Castlebay Ln ES (2881)
11.0 km PM2.5: 4.4 µg/m³
20
Van Gogh ES (7422)
11.4 km PM2.5: 4.8 µg/m³
24
Herrick Ave ES (4515)
13.1 km PM2.5: 5.7 µg/m³
22
Rinaldi Adult Center (9365)
13.6 km PM2.5: 5.3 µg/m³

What cities are near Stevenson Ranch?

21 Santa Clarita 21 Valencia 22 Canyon Country 21 Castaic 22 Sylmar 19 Chatsworth 21 San Fernando 21 Northridge 22 North Hills 20 Winnetka
Get AQI alerts for Stevenson Ranch

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T22:52 UTC.