Stay updated with real-time air quality in Harrison, 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)
58
Moderate
Harrison, Arkansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
54.66 μg/m³
0
55
155
255
425
605+
12.34 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
4.37 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Harrison, Arkansas
Harrison, Arkansas
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AQI 56
Moderate
11.52μg/m³
PM2.5
51.42μg/m³
PM10
16.30ppb
O3
0.45ppb
SO2
1.89ppb
NO2
0.17ppm
CO
AQI 56
Moderate
11.94μg/m³
PM2.5
53.58μg/m³
PM10
17.64ppb
O3
0.60ppb
SO2
2.30ppb
NO2
0.17ppm
CO
AQI 60
Moderate
14.04μg/m³
PM2.5
53.16μg/m³
PM10
15.09ppb
O3
0.57ppb
SO2
4.25ppb
NO2
0.24ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
44.25μg/m³
PM10
19.56ppb
O3
0.56ppb
SO2
4.30ppb
NO2
0.24ppm
CO
AQI 62
Moderate
15.31μg/m³
PM2.5
45.95μg/m³
PM10
22.50ppb
O3
0.42ppb
SO2
4.80ppb
NO2
0.27ppm
CO
AQI 58
Moderate
13.49μg/m³
PM2.5
35.07μg/m³
PM10
26.34ppb
O3
0.40ppb
SO2
5.11ppb
NO2
0.27ppm
CO
Air quality measurements for Arkansas, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Harrison, Arkansas is updated on an hourly basis.
The worst air quality in Harrison, Arkansas was recorded at 04:00:00 on 2025-12-07.
The best air quality in Harrison, Arkansas was recorded at 04:00:00 on 2025-12-06.
The real-time air quality index in Harrison, Arkansas is 58, currently categorized as Moderate.
The most common pollutant in Harrison, Arkansas is PM2.5.
If the air quality in Harrison, Arkansas is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Harrison, Arkansas at present are 13.125 μg/m3.
The current PM10 levels in Harrison, Arkansas are 54.659 μg/m3.
The current carbon monoxide (CO) level in Harrison, Arkansas is 0.249 ppm.
The current sulfur dioxide (SO2) levels in Harrison, Arkansas are 0.539 ppb.
The current ozone (O3) levels at Harrison, Arkansas is 12.343 ppm.
The current nitrogen dioxide (NO2) levels at Harrison, Arkansas is 4.366 ppb.
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