Air Quality in Stevenson Ranch, United States

Drizzle
16.5°C · 65.3% humidity
16.5°
Feels 16.5°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
54 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
54 5pm
53
23
37 8pm
37
37
37 11pm
12
12
0 2am
12
12
37 5am
37
37
37 8am
37
37
37 11am
37
37
37 2pm
37
12
Station readings
54
53
23
CAMS model adj -38
75
75
75
75
75
75
75
50
50
37
50
50
75
75
75
75
75
75
75
75
75
75
75
50
AD 728×90

PM2.5 Trend (24h)

32h · 3 stations
65.3%
Humidity
60.5 km/h
Wind SSW
1012.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Stevenson Ranch?

Temperature & Precipitation

PM2.514.28 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (54 stations within 25 km)
14.28
Median
14.14
Average
3.52
Low
21.28
High
PM2.5 µg/m³ · Model: 14.65 · Bias: +0.4

What is the 7-day forecast for Stevenson Ranch?

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: 2.6°C

Where are air quality stations near Stevenson Ranch?

42
Santa Clarita-Placerita, Los Angeles
4.2 km
61
Santa Clarita-Placerita, Los Angeles
4.2 km
24
Santa Clarita-Placerita, Los Angeles
4.2 km
53
Porter Ranch Cmty Sch (2303)
10.8 km PM2.5: 13.2 µg/m³
53
Castlebay Ln ES (2881)
11.0 km PM2.5: 12.9 µg/m³
53
Van Gogh ES (7422)
11.4 km PM2.5: 13.2 µg/m³
67
Herrick Ave ES (4515)
13.1 km PM2.5: 19.6 µg/m³
54
Rinaldi Adult Center (9365)
13.6 km PM2.5: 13.7 µg/m³
55
Knollwood ES (4762)
13.9 km PM2.5: 14.1 µg/m³
21
DA GOAT
14.1 km 24.6°C 48.0% RH PM2.5: 5.0 µg/m³

What cities are near Stevenson Ranch?

55 Santa Clarita 56 Valencia 57 Canyon Country 55 Castaic 55 Sylmar 55 Chatsworth 55 San Fernando 55 Northridge 55 North Hills 55 Winnetka

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:21 UTC.