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)
52
Moderate
Marion, Arkansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.00 μg/m³
0
55
155
255
425
605+
3.00 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
3.96 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Marion, Arkansas
Marion, Arkansas
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AQI 56
Moderate
11.92μg/m³
PM2.5
53.58μg/m³
PM10
5.93ppb
O3
0.57ppb
SO2
3.13ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.94μg/m³
PM2.5
39.73μg/m³
PM10
13.12ppb
O3
0.62ppb
SO2
3.14ppb
NO2
0.21ppm
CO
AQI 52
Moderate
10.31μg/m³
PM2.5
46.07μg/m³
PM10
4.09ppb
O3
0.62ppb
SO2
3.09ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
48.69μg/m³
PM10
5.98ppb
O3
0.61ppb
SO2
3.07ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.91μg/m³
PM2.5
47.13μg/m³
PM10
14.48ppb
O3
0.62ppb
SO2
3.16ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.89μg/m³
PM2.5
47.00μg/m³
PM10
5.98ppb
O3
0.61ppb
SO2
3.05ppb
NO2
0.21ppm
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 04:00:00, 2026-06-07.
The best air quality in Marion, Arkansas was observed at 02:00:00 on 2026-06-08.
The air quality in Marion, Arkansas right now is Moderate, with an AQI of 56.
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 11.996 μg/m3.
Marion, Arkansas currently has a PM10 concentration of 53.979 μg/m3.
The current carbon monoxide (CO) level in Marion, Arkansas is 0.207 ppm.
The current sulfur dioxide (SO2) concentration in Marion, Arkansas is 0.568 ppb.
Marion, Arkansas currently has an ozone (O3) concentration of 5.997 ppm.
The current level of nitrogen dioxide (NO2) in Marion, Arkansas is 3.136 ppb.
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