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)
49
Good
Harrison, Arkansas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.08 μg/m³
0
55
155
255
425
605+
23.45 ppb
0
55
71
86
201
201+
6.57 ppb
0
36
76
186
605
1005+
2.07 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Harrison, Arkansas
Harrison, Arkansas
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AQI 49
Good
8.75μg/m³
PM2.5
38.44μg/m³
PM10
38.97ppb
O3
0.25ppb
SO2
1.06ppb
NO2
0.15ppm
CO
AQI 38
Good
6.95μg/m³
PM2.5
30.84μg/m³
PM10
30.19ppb
O3
0.19ppb
SO2
0.64ppb
NO2
0.14ppm
CO
AQI 49
Good
8.75μg/m³
PM2.5
32.99μg/m³
PM10
33.27ppb
O3
0.77ppb
SO2
3.74ppb
NO2
0.17ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
27.50μg/m³
PM10
32.58ppb
O3
0.72ppb
SO2
3.78ppb
NO2
0.17ppm
CO
AQI 60
Moderate
14.19μg/m³
PM2.5
64.46μg/m³
PM10
35.00ppb
O3
0.58ppb
SO2
3.27ppb
NO2
0.23ppm
CO
AQI 69
Moderate
18.59μg/m³
PM2.5
80.21μg/m³
PM10
35.38ppb
O3
0.57ppb
SO2
3.17ppb
NO2
0.22ppm
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 2025-07-17.
The best air quality in Harrison, Arkansas was recorded at 06:00:00 on 2025-07-17.
The real-time air quality index in Harrison, Arkansas is 49, 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 9.194 μg/m3.
The current PM10 levels in Harrison, Arkansas are 36.239 μg/m3.
The current carbon monoxide (CO) level in Harrison, Arkansas is 0.2 ppm.
The current sulfur dioxide (SO2) levels in Harrison, Arkansas are 0.581 ppb.
The current ozone (O3) levels at Harrison, Arkansas is 34.306 ppm.
The current nitrogen dioxide (NO2) levels at Harrison, Arkansas is 2.832 ppb.
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