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)
33
Good
Harrison, Arkansas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.67 μg/m³
0
55
155
255
425
605+
18.32 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
3.56 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Harrison, Arkansas
Harrison, Arkansas
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AQI 38
Good
7.40μg/m³
PM2.5
32.45μg/m³
PM10
33.66ppb
O3
0.20ppb
SO2
0.78ppb
NO2
0.16ppm
CO
AQI 23
Good
4.15μg/m³
PM2.5
18.12μg/m³
PM10
25.40ppb
O3
0.09ppb
SO2
0.53ppb
NO2
0.14ppm
CO
AQI 44
Good
7.67μg/m³
PM2.5
31.48μg/m³
PM10
19.50ppb
O3
0.55ppb
SO2
3.79ppb
NO2
0.23ppm
CO
AQI 44
Good
8.00μg/m³
PM2.5
26.70μg/m³
PM10
22.81ppb
O3
0.55ppb
SO2
3.81ppb
NO2
0.23ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
27.97μg/m³
PM10
15.36ppb
O3
0.47ppb
SO2
3.53ppb
NO2
0.28ppm
CO
AQI 52
Moderate
9.56μg/m³
PM2.5
42.02μg/m³
PM10
10.61ppb
O3
0.45ppb
SO2
4.43ppb
NO2
0.26ppm
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 07:00:00 on 2025-07-14.
The best air quality in Harrison, Arkansas was recorded at 08:00:00 on 2025-07-14.
The real-time air quality index in Harrison, Arkansas is 33, currently categorized as Good.
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 5.837 μg/m3.
The current PM10 levels in Harrison, Arkansas are 21.671 μg/m3.
The current carbon monoxide (CO) level in Harrison, Arkansas is 0.217 ppm.
The current sulfur dioxide (SO2) levels in Harrison, Arkansas are 0.511 ppb.
The current ozone (O3) levels at Harrison, Arkansas is 18.315 ppm.
The current nitrogen dioxide (NO2) levels at Harrison, Arkansas is 3.56 ppb.
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