Air Quality in The Dalles, United States
Windy
27.2°C · 18.8% humidity
27.2°
Feels 27.2°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
71
12pm
71
71
74
3pm
71
71
78
6pm
71
71
71
9pm
71
71
71
12am
71
71
71
3am
71
71
71
6am
71
71
71
9am
71
71
Station readings
67
68
63
CAMS model
adj +44
27
27
27
27
27
27
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
46h · 1 stnThe Dalles's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in The Dalles is 1.5× the WHO 24-hour guideline of 15 µg/m³.
18.8%
Humidity
110.3 km/h
Wind W
1008.9 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
23.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for The Dalles?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.523.0 µg/m³
×1.5 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
23.0
Median
23.0
Average
23.0
Low
23.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -15.6
What is the 7-day forecast for The Dalles?
07-21
32.3° 11.6°
07-22
28.7° 12.9°
07-23
37.3° 15.0°
07-24
37.2° 12.9°
07-25
28.6° 15.0°
07-26
37.6° 8.6°
07-27
29.8° 12.2°
Both models agree
Avg diff: 3.6°C
Where are air quality stations near The Dalles?
What cities are near The Dalles?
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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 2026-07-21T22:04 UTC.