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)
56
Moderate
Marion, Arkansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.04 μg/m³
0
55
155
255
425
605+
14.02 ppb
0
55
71
86
201
201+
1.04 ppb
0
36
76
186
605
1005+
3.39 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marion, Arkansas
Marion, Arkansas
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AQI 56
Moderate
11.58μg/m³
PM2.5
51.80μg/m³
PM10
18.95ppb
O3
1.47ppb
SO2
3.69ppb
NO2
0.27ppm
CO
AQI 56
Moderate
12.50μg/m³
PM2.5
52.03μg/m³
PM10
24.83ppb
O3
1.45ppb
SO2
3.28ppb
NO2
0.27ppm
CO
AQI 62
Moderate
15.04μg/m³
PM2.5
66.75μg/m³
PM10
18.01ppb
O3
1.44ppb
SO2
3.30ppb
NO2
0.27ppm
CO
AQI 58
Moderate
12.63μg/m³
PM2.5
50.62μg/m³
PM10
22.68ppb
O3
1.44ppb
SO2
3.27ppb
NO2
0.28ppm
CO
AQI 58
Moderate
12.57μg/m³
PM2.5
47.15μg/m³
PM10
17.96ppb
O3
1.46ppb
SO2
3.29ppb
NO2
0.26ppm
CO
AQI 58
Moderate
12.89μg/m³
PM2.5
40.80μg/m³
PM10
20.43ppb
O3
1.44ppb
SO2
3.27ppb
NO2
0.28ppm
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 12:00:00, 2025-12-14.
The best air quality in Marion, Arkansas was observed at 01:00:00 on 2025-12-13.
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 12.309 μg/m3.
Marion, Arkansas currently has a PM10 concentration of 55.038 μg/m3.
The current carbon monoxide (CO) level in Marion, Arkansas is 0.293 ppm.
The current sulfur dioxide (SO2) concentration in Marion, Arkansas is 1.045 ppb.
Marion, Arkansas currently has an ozone (O3) concentration of 14.015 ppm.
The current level of nitrogen dioxide (NO2) in Marion, Arkansas is 3.389 ppb.
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