Stay updated with real-time air quality in Hartselle, Alabama 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
Hartselle, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.34 μg/m³
0
55
155
255
425
605+
27.45 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
5.00 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hartselle, Alabama
Hartselle, Alabama
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AQI 33
Good
5.84μg/m³
PM2.5
24.56μg/m³
PM10
27.61ppb
O3
0.48ppb
SO2
4.98ppb
NO2
0.27ppm
CO
AQI 44
Good
7.93μg/m³
PM2.5
23.77μg/m³
PM10
28.26ppb
O3
0.50ppb
SO2
5.13ppb
NO2
0.25ppm
CO
AQI 44
Good
7.92μg/m³
PM2.5
32.98μg/m³
PM10
24.16ppb
O3
0.50ppb
SO2
5.07ppb
NO2
0.25ppm
CO
AQI 44
Good
7.59μg/m³
PM2.5
36.97μg/m³
PM10
23.59ppb
O3
0.51ppb
SO2
4.93ppb
NO2
0.26ppm
CO
AQI 44
Good
8.16μg/m³
PM2.5
16.19μg/m³
PM10
27.80ppb
O3
0.47ppb
SO2
5.22ppb
NO2
0.25ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
17.98μg/m³
PM10
24.23ppb
O3
0.50ppb
SO2
5.19ppb
NO2
0.25ppm
CO
Air quality measurements for Alabama, 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 Hartselle, Alabama is updated on an hourly basis.
The worst air quality in Hartselle, Alabama was recorded at 03:00:00 on 2026-09-07.
The best air quality in Hartselle, Alabama was recorded at 11:00:00 on 2026-09-07.
The real-time air quality index in Hartselle, Alabama is 33, currently categorized as Good.
The most common pollutant in Hartselle, Alabama is PM2.5.
If the air quality in Hartselle, Alabama is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Hartselle, Alabama at present are 5.871 μg/m3.
The current PM10 levels in Hartselle, Alabama are 24.335 μg/m3.
The current carbon monoxide (CO) level in Hartselle, Alabama is 0.267 ppm.
The current sulfur dioxide (SO2) levels in Hartselle, Alabama are 0.483 ppb.
The current ozone (O3) levels at Hartselle, Alabama is 27.454 ppm.
The current nitrogen dioxide (NO2) levels at Hartselle, Alabama is 5.003 ppb.
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