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)
66
Moderate
Harrison, Arkansas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
60.34 μg/m³
0
55
155
255
425
605+
18.34 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
5.28 ppb
0
54
101
361
1250
2050+
0.23 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
11.54μg/m³
PM2.5
50.91μg/m³
PM10
14.99ppb
O3
0.67ppb
SO2
2.07ppb
NO2
0.19ppm
CO
AQI 64
Moderate
16.04μg/m³
PM2.5
70.77μg/m³
PM10
16.70ppb
O3
1.57ppb
SO2
2.32ppb
NO2
0.19ppm
CO
AQI 64
Moderate
16.16μg/m³
PM2.5
35.12μg/m³
PM10
9.72ppb
O3
0.84ppb
SO2
4.61ppb
NO2
0.22ppm
CO
AQI 64
Moderate
16.05μg/m³
PM2.5
39.65μg/m³
PM10
8.58ppb
O3
0.84ppb
SO2
4.61ppb
NO2
0.22ppm
CO
AQI 71
Moderate
20.40μg/m³
PM2.5
61.71μg/m³
PM10
14.58ppb
O3
0.60ppb
SO2
6.21ppb
NO2
0.27ppm
CO
AQI 58
Moderate
13.02μg/m³
PM2.5
54.89μg/m³
PM10
8.89ppb
O3
0.56ppb
SO2
6.33ppb
NO2
0.28ppm
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 03:00:00 on 2025-12-13.
The best air quality in Harrison, Arkansas was recorded at 10:00:00 on 2025-12-12.
The real-time air quality index in Harrison, Arkansas is 66, 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 16.766 μg/m3.
The current PM10 levels in Harrison, Arkansas are 60.341 μg/m3.
The current carbon monoxide (CO) level in Harrison, Arkansas is 0.23 ppm.
The current sulfur dioxide (SO2) levels in Harrison, Arkansas are 0.74 ppb.
The current ozone (O3) levels at Harrison, Arkansas is 18.335 ppm.
The current nitrogen dioxide (NO2) levels at Harrison, Arkansas is 5.276 ppb.
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