What is the air quality in Fountain Valley today?

The current Air Quality Index (AQI) in Fountain Valley is 26 (Good). PM2.5 concentration is 6.22 µg/m³.

What is the temperature in Fountain Valley right now?

The current temperature in Fountain Valley is 23.7°C (feels like 23.7°C). Humidity is 66.9% and wind speed is 52.6 km/h.

Is it safe to go outside in Fountain Valley?

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

Air Quality in Fountain Valley, United States

Windy

23.7°C · 66.9% humidity

23.7°

Feels 23.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 134 stn

View full history →

Fountain 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.

66.9%

Humidity

52.6 km/h

Wind SSW

1012.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.22 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Fountain Valley?

Temperature & Precipitation

PM2.5 Trend

46h · 134 stations

PM2.56.22 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Fountain Valley?

10-20

28.5° 22.3°

10-21

24.7° 20.7°

10-22

31.7° 21.4°

10-23

23.6° 21.3°

10-24

23.5° 19.6°

0.13 mm

10-25

28.7° 18.2°

0.06 mm

10-26

25.5° 19.8°

1.37 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Fountain Valley?

Monroe Elementary

8.4 km PM2.5: 2.0 µg/m³

Kennedy Elementary

9.6 km PM2.5: 4.8 µg/m³

Davis Elementary

9.9 km PM2.5: 2.7 µg/m³

Century High School

9.9 km PM2.5: 7.0 µg/m³

Villa Intermediate

10.5 km PM2.5: 2.7 µg/m³

What cities are near Fountain Valley?

24 Huntington Beach 27 Garden Grove 27 Westminster 21 Costa Mesa 51 Santa Ana 21 Newport Beach 30 Stanton 49 Tustin Legacy 48 Tustin 18 Irvine

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-20T22:43 UTC.