Stay updated with real-time air quality in Arlington, Washington 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)
28
Good
Arlington, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.79 μg/m³
0
55
155
255
425
605+
21.01 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
7.50 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Arlington, Washington
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AQI 49
Good
8.82μg/m³
PM2.5
38.64μg/m³
PM10
21.11ppb
O3
0.49ppb
SO2
9.52ppb
NO2
0.11ppm
CO
AQI 38
Good
6.66μg/m³
PM2.5
12.65μg/m³
PM10
19.61ppb
O3
0.49ppb
SO2
9.18ppb
NO2
0.11ppm
CO
AQI 44
Good
8.30μg/m³
PM2.5
35.94μg/m³
PM10
21.33ppb
O3
0.50ppb
SO2
10.29ppb
NO2
0.11ppm
CO
AQI 19
Good
2.94μg/m³
PM2.5
12.20μg/m³
PM10
20.94ppb
O3
0.45ppb
SO2
6.99ppb
NO2
0.12ppm
CO
AQI 27
Good
4.76μg/m³
PM2.5
24.54μg/m³
PM10
19.92ppb
O3
0.49ppb
SO2
6.77ppb
NO2
0.10ppm
CO
AQI 27
Good
5.24μg/m³
PM2.5
20.01μg/m³
PM10
20.81ppb
O3
0.52ppb
SO2
8.92ppb
NO2
0.10ppm
CO
The air quality data for Washington, 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 Arlington, Washington are available every hour.
Arlington, Washington experienced its worst air quality at 06:00:00, 2025-06-06.
The best air quality in Arlington, Washington was observed at 05:00:00 on 2025-06-06.
The air quality in Arlington, Washington right now is Good, with an AQI of 28.
In Arlington, Washington, PM10 is the most frequently found pollutant.
When air quality in Arlington, Washington is compromised, staying indoors and wearing a mask can reduce health risks.
Arlington, Washington currently has a PM2.5 concentration of 5.046 μg/m3.
Arlington, Washington currently has a PM10 concentration of 29.787 μg/m3.
The current carbon monoxide (CO) level in Arlington, Washington is 0.138 ppm.
The current sulfur dioxide (SO2) concentration in Arlington, Washington is 0.37 ppb.
Arlington, Washington currently has an ozone (O3) concentration of 21.012 ppm.
The current level of nitrogen dioxide (NO2) in Arlington, Washington is 7.501 ppb.
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