Stay updated with real-time air quality in The Dalles, Oregon featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
The Dalles, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.00 μg/m³
0
55
155
255
425
605+
26.90 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
5.97 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
The Dalles, Oregon
The Dalles, Oregon
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AQI 49
Good
9.11μg/m³
PM2.5
40.38μg/m³
PM10
33.29ppb
O3
0.30ppb
SO2
6.51ppb
NO2
0.18ppm
CO
AQI 54
Moderate
10.83μg/m³
PM2.5
47.63μg/m³
PM10
30.65ppb
O3
0.42ppb
SO2
9.45ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.77μg/m³
PM2.5
51.59μg/m³
PM10
26.60ppb
O3
0.48ppb
SO2
10.95ppb
NO2
0.21ppm
CO
AQI 49
Good
9.49μg/m³
PM2.5
42.19μg/m³
PM10
29.54ppb
O3
0.44ppb
SO2
9.87ppb
NO2
0.20ppm
CO
AQI 64
Moderate
16.21μg/m³
PM2.5
71.14μg/m³
PM10
24.69ppb
O3
0.42ppb
SO2
9.40ppb
NO2
0.20ppm
CO
AQI 49
Good
9.30μg/m³
PM2.5
40.70μg/m³
PM10
30.02ppb
O3
0.36ppb
SO2
7.92ppb
NO2
0.19ppm
CO
The air quality data for Oregon, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for The Dalles, Oregon are available every hour.
The Dalles, Oregon experienced its worst air quality at 01:00:00, 2026-04-24.
The best air quality in The Dalles, Oregon was observed at 01:00:00 on 2026-04-23.
The air quality in The Dalles, Oregon right now is Good, with an AQI of 31.
In The Dalles, Oregon, O3 is the most frequently found pollutant.
When air quality in The Dalles, Oregon is compromised, staying indoors and wearing a mask can reduce health risks.
The Dalles, Oregon currently has a PM2.5 concentration of 4.3 μg/m3.
The Dalles, Oregon currently has a PM10 concentration of 18.999 μg/m3.
The current carbon monoxide (CO) level in The Dalles, Oregon is 0.206 ppm.
The current sulfur dioxide (SO2) concentration in The Dalles, Oregon is 0.153 ppb.
The Dalles, Oregon currently has an ozone (O3) concentration of 33.579 ppm.
The current level of nitrogen dioxide (NO2) in The Dalles, Oregon is 4.97 ppb.
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