Air Quality in Happy Valley, United States
Clear
23.1°C · 42.4% humidity
23.1°
Feels 23.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
17
7am
13
12
26
10am
21
9
6
1pm
4
3
2
4pm
2
1
1
7pm
1
0
0
10pm
0
9
9
1am
9
9
9
4am
9
9
Station readings
17
13
12
CAMS model
adj -45
66
66
66
54
54
34
27
27
25
25
25
25
25
27
27
34
34
54
54
54
54
54
54
54
Air Quality Index Trend
47h · 3 stnHappy 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.
42.4%
Humidity
18.5 km/h
Wind N
1017.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.18 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Happy Valley?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.56.18 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (9 stations within 25 km)
6.18
Median
5.94
Average
2.07
Low
10.8
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +6.7
What is the 7-day forecast for Happy Valley?
09-05
26.4° 12.8°
09-06
27.5° 16.1°
09-07
28.7° 10.3°
6.5 mm
09-08
28.5° 15.6°
09-09
29.7° 13.0°
09-10
35.1° 13.3°
09-11
27.4° 12.5°
Both models agree
Avg diff: 4.6°C
Where are air quality stations near Happy Valley?
20
Portland Postal Bldg., Oregon, USA
18
Sensor Box 5, Oregon, USA
18
Sensor Box 5, Oregon, USA
18
Portland Lane Middle School
14
Sensor Box 5, Oregon, USA
19
Sensor Box 5, Oregon, USA
23
Gresham Centennial High School
38
Portland, Oregon, USA
16
Gladstone High School
31
Portland McDaniel High School
What cities are near Happy Valley?
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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 2026-09-05T17:04 UTC.