Air Quality in Fountain Valley, United States

Windy
26.2°C · 54.9% humidity
26.2°
Feels 26.2°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 10pm
54
54
48 1am
50
51
52 4am
52
53
53 7am
53
54
54 10am
54
54
54 1pm
54
54
54 4pm
54
54
54 7pm
54
54
AD 728×90

Air Quality Index Trend

45h · 4 stn

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.

54.9%
Humidity
42.1 km/h
Wind S
1010.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.38 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Fountain Valley?

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations
PM2.511.38 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Fountain Valley?

08-03
26.8° 21.8°
08-04
27.2° 22.4°
08-05
29.1° 22.3°
08-06
28.0° 19.7°
08-07
26.0° 21.4°
08-08
26.2° 20.5°
08-09
24.8° 19.3°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Fountain Valley?

8
Monroe Elementary
8.4 km PM2.5: 2.0 µg/m³
20
Kennedy Elementary
9.6 km PM2.5: 4.8 µg/m³
11
Davis Elementary
9.9 km PM2.5: 2.7 µg/m³
29
Century High School
9.9 km PM2.5: 7.0 µg/m³
11
Villa Intermediate
10.5 km PM2.5: 2.7 µg/m³

What cities are near Fountain Valley?

34 Huntington Beach 46 Garden Grove 68 Westminster 34 Costa Mesa 34 Santa Ana 34 Newport Beach 74 Stanton 35 Tustin Legacy 35 Tustin 35 Irvine
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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 2026-08-08T08:23 UTC.