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)
56
Moderate
Hartselle, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.08 μg/m³
0
55
155
255
425
605+
6.16 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
7.34 ppb
0
54
101
361
1250
2050+
0.69 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hartselle, Alabama
Hartselle, Alabama
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AQI 56
Moderate
11.61μg/m³
PM2.5
49.76μg/m³
PM10
9.35ppb
O3
0.88ppb
SO2
7.56ppb
NO2
0.69ppm
CO
AQI 49
Good
9.40μg/m³
PM2.5
37.30μg/m³
PM10
10.27ppb
O3
0.57ppb
SO2
7.78ppb
NO2
0.71ppm
CO
AQI 56
Moderate
12.25μg/m³
PM2.5
51.50μg/m³
PM10
8.84ppb
O3
0.91ppb
SO2
7.30ppb
NO2
0.70ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
40.29μg/m³
PM10
7.35ppb
O3
0.86ppb
SO2
7.37ppb
NO2
0.68ppm
CO
AQI 64
Moderate
15.61μg/m³
PM2.5
21.35μg/m³
PM10
7.84ppb
O3
0.88ppb
SO2
7.48ppb
NO2
0.72ppm
CO
AQI 52
Moderate
10.47μg/m³
PM2.5
25.71μg/m³
PM10
12.01ppb
O3
0.91ppb
SO2
7.54ppb
NO2
0.70ppm
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 06:00:00 on 2025-12-07.
The best air quality in Hartselle, Alabama was recorded at 10:00:00 on 2025-12-06.
The real-time air quality index in Hartselle, Alabama is 56, currently categorized as Moderate.
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 11.772 μg/m3.
The current PM10 levels in Hartselle, Alabama are 50.076 μg/m3.
The current carbon monoxide (CO) level in Hartselle, Alabama is 0.691 ppm.
The current sulfur dioxide (SO2) levels in Hartselle, Alabama are 0.884 ppb.
The current ozone (O3) levels at Hartselle, Alabama is 6.162 ppm.
The current nitrogen dioxide (NO2) levels at Hartselle, Alabama is 7.34 ppb.
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