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
AD 728×90

Air Quality Index Trend

47h · 3 stn

Happy 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
PM2.5
26
6.18 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.56.18 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
6.18
Median
5.94
Average
2.07
Low
10.8
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +6.7
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°
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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.