What is the air quality in Simi Valley today?

The current Air Quality Index (AQI) in Simi Valley is 40 (Good). PM2.5 concentration is 9.68 µg/m³.

What is the temperature in Simi Valley right now?

The current temperature in Simi Valley is 32.9°C (feels like 32.9°C). Humidity is 8.2% and wind speed is 12.6 km/h.

Is it safe to go outside in Simi Valley?

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

Air Quality in Simi Valley, United States

Clear

32.9°C · 8.2% humidity

32.9°

Feels 32.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

33 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 2 stn

View full history →

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

8.2%

Humidity

12.6 km/h

Wind SE

1015.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.68 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Simi Valley?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.59.68 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (33 stations within 25 km)

9.68

Median

10.2

Average

2.09

Low

14.5

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +3.8

What is the 7-day forecast for Simi Valley?

10-20

32.9° 19.3°

10-21

25.7° 14.0°

10-22

31.8° 16.8°

10-23

23.4° 17.1°

10-24

26.6° 14.8°

10-25

27.4° 12.7°

0.81 mm

10-26

29.2° 16.1°

1.13 mm

Both models agree Avg diff: 5.4°C

Where are air quality stations near Simi Valley?

united-states-of-america-moorpark-fishers-court

8.8 km PM2.5: 3.2 µg/m³ PM10: 4.9 µg/m³

Simi Valley - Cochran Street, Ventura, California

9.0 km PM2.5: 9.4 µg/m³

Simi Valley - Cochran Street, Ventura, California

9.0 km PM2.5: 10.3 µg/m³

Justice St ES (4692)

14.7 km PM2.5: 10.3 µg/m³

Haynes ES (4473)

15.1 km PM2.5: 9.8 µg/m³

Piru - Pacific, Ventura, California

15.2 km PM2.5: 11.3 µg/m³

Welby ES (7637)

15.8 km PM2.5: 9.1 µg/m³

Chatsworth ES (3027)

16.1 km PM2.5: 12.7 µg/m³

Nevada ES (5459)

16.8 km PM2.5: 11.6 µg/m³

Columbus MS (8102)

16.9 km PM2.5: 10.3 µg/m³

What cities are near Simi Valley?

10 Moorpark 40 Thousand Oaks 43 Agoura 42 Agoura Hills 42 West Hills 39 Chatsworth 47 Calabasas 46 Canoga Park 24 Fillmore 44 Woodland Hills

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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 2026-10-20T20:05 UTC.