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)
44
Good
Marion, Arkansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.05 μg/m³
0
55
155
255
425
605+
36.99 ppb
0
55
71
86
201
201+
0.95 ppb
0
36
76
186
605
1005+
2.48 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marion, Arkansas
Marion, Arkansas
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AQI 44
Good
7.89μg/m³
PM2.5
35.80μg/m³
PM10
36.94ppb
O3
0.96ppb
SO2
2.48ppb
NO2
0.21ppm
CO
AQI 44
Good
7.83μg/m³
PM2.5
42.04μg/m³
PM10
35.61ppb
O3
0.98ppb
SO2
2.48ppb
NO2
0.21ppm
CO
AQI 44
Good
7.61μg/m³
PM2.5
35.15μg/m³
PM10
41.92ppb
O3
1.10ppb
SO2
2.45ppb
NO2
0.21ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
34.01μg/m³
PM10
43.37ppb
O3
1.09ppb
SO2
2.43ppb
NO2
0.20ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
39.37μg/m³
PM10
37.96ppb
O3
1.11ppb
SO2
2.49ppb
NO2
0.21ppm
CO
AQI 44
Good
7.73μg/m³
PM2.5
32.65μg/m³
PM10
43.21ppb
O3
0.93ppb
SO2
2.42ppb
NO2
0.20ppm
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 07:00:00, 2026-07-23.
The best air quality in Marion, Arkansas was observed at 08:00:00 on 2026-07-23.
The air quality in Marion, Arkansas right now is Good, with an AQI of 44.
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 7.899 μg/m3.
Marion, Arkansas currently has a PM10 concentration of 35.049 μg/m3.
The current carbon monoxide (CO) level in Marion, Arkansas is 0.206 ppm.
The current sulfur dioxide (SO2) concentration in Marion, Arkansas is 0.95 ppb.
Marion, Arkansas currently has an ozone (O3) concentration of 36.995 ppm.
The current level of nitrogen dioxide (NO2) in Marion, Arkansas is 2.485 ppb.
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