Air Quality in Santa Clarita, United States

Windy
30.9°C · 23.9% humidity
30.9°
Feels 30.9°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
59 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 7am
26
26
38 10am
35
32
30 1pm
29
28
28 4pm
27
27
27 7pm
26
26
26 10pm
26
26
26 1am
26
26
38 4am
38
38
Station readings
33
25
29
CAMS model adj -28
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
66
AD 728×90

Air Quality Index Trend

47h · 1 stn

Santa Clarita's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

23.9%
Humidity
57.3 km/h
Wind SSW
1008.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.12 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Santa Clarita?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.59.12 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (59 stations within 25 km)
9.12
Median
9.0
Average
2.96
Low
15.53
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +4.4

What is the 7-day forecast for Santa Clarita?

07-21
30.9° 24.4°
07-22
33.7° 21.2°
07-23
32.0° 20.3°
1.81 mm
07-24
36.1° 20.8°
0.19 mm
07-25
33.3° 23.5°
07-26
37.4° 19.1°
07-27
37.5° 21.9°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Santa Clarita?

67
Santa Clarita-Placerita, Los Angeles
1.6 km PM2.5: 19.7 µg/m³
80
Santa Clarita-Placerita, Los Angeles
1.6 km PM2.5: 25.9 µg/m³
50
Santa Clarita-Placerita, Los Angeles
1.6 km PM2.5: 12.0 µg/m³
36
Santa Clarita-Placerita, Los Angeles
1.6 km PM2.5: 8.6 µg/m³
24
Santa Clarita-Placerita, Los Angeles
1.6 km PM2.5: 5.8 µg/m³
37
Van Gogh ES (7422)
10.2 km PM2.5: 8.8 µg/m³
33
Castlebay Ln ES (2881)
10.9 km PM2.5: 8.0 µg/m³
46
Herrick Ave ES (4515)
11.1 km PM2.5: 11.0 µg/m³
32
Porter Ranch Cmty Sch (2303)
11.5 km PM2.5: 7.7 µg/m³
28
Sylmar Public Library - Inside
12.5 km PM2.5: 6.7 µg/m³

What cities are near Santa Clarita?

38 Stevenson Ranch 40 Canyon Country 38 Valencia 39 Sylmar 35 Castaic 45 San Fernando 30 Chatsworth 42 North Hills 38 Northridge 34 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 2026-07-21T17:16 UTC.