Stay updated with real-time air quality in Marion, Arkansas 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)
62
Moderate
Marion, Arkansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
68.97 μg/m³
0
55
155
255
425
605+
46.00 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
9.07 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Marion, Arkansas
Marion, Arkansas
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AQI 56
Moderate
11.98μg/m³
PM2.5
53.56μg/m³
PM10
40.64ppb
O3
0.35ppb
SO2
2.42ppb
NO2
0.16ppm
CO
AQI 56
Moderate
11.62μg/m³
PM2.5
50.99μg/m³
PM10
41.64ppb
O3
0.45ppb
SO2
3.11ppb
NO2
0.17ppm
CO
AQI 56
Moderate
11.91μg/m³
PM2.5
53.26μg/m³
PM10
43.86ppb
O3
0.41ppb
SO2
2.54ppb
NO2
0.17ppm
CO
AQI 52
Moderate
10.39μg/m³
PM2.5
45.87μg/m³
PM10
43.49ppb
O3
0.35ppb
SO2
2.46ppb
NO2
0.17ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
50.28μg/m³
PM10
44.34ppb
O3
0.41ppb
SO2
2.62ppb
NO2
0.17ppm
CO
AQI 49
Good
9.29μg/m³
PM2.5
41.30μg/m³
PM10
43.22ppb
O3
0.32ppb
SO2
2.30ppb
NO2
0.17ppm
CO
The air quality data for Arkansas, 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 Marion, Arkansas are available every hour.
Marion, Arkansas experienced its worst air quality at 11:00:00, 2026-04-23.
The best air quality in Marion, Arkansas was observed at 01:00:00 on 2026-04-24.
The air quality in Marion, Arkansas right now is Moderate, with an AQI of 62.
In Marion, Arkansas, PM2.5 is the most frequently found pollutant.
When air quality in Marion, Arkansas is compromised, staying indoors and wearing a mask can reduce health risks.
Marion, Arkansas currently has a PM2.5 concentration of 15.293 μg/m3.
Marion, Arkansas currently has a PM10 concentration of 68.966 μg/m3.
The current carbon monoxide (CO) level in Marion, Arkansas is 0.216 ppm.
The current sulfur dioxide (SO2) concentration in Marion, Arkansas is 0.53 ppb.
Marion, Arkansas currently has an ozone (O3) concentration of 46.003 ppm.
The current level of nitrogen dioxide (NO2) in Marion, Arkansas is 9.067 ppb.
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