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)
22
Good
Hartselle, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.96 μg/m³
0
55
155
255
425
605+
22.34 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
5.77 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hartselle, Alabama
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AQI 22
Good
3.34μg/m³
PM2.5
13.67μg/m³
PM10
23.68ppb
O3
0.43ppb
SO2
10.16ppb
NO2
0.30ppm
CO
AQI 22
Good
4.17μg/m³
PM2.5
11.49μg/m³
PM10
24.39ppb
O3
0.45ppb
SO2
10.40ppb
NO2
0.31ppm
CO
AQI 22
Good
4.26μg/m³
PM2.5
10.43μg/m³
PM10
20.73ppb
O3
0.37ppb
SO2
10.48ppb
NO2
0.30ppm
CO
AQI 22
Good
4.32μg/m³
PM2.5
11.96μg/m³
PM10
19.06ppb
O3
0.35ppb
SO2
10.23ppb
NO2
0.30ppm
CO
AQI 22
Good
4.38μg/m³
PM2.5
8.21μg/m³
PM10
22.86ppb
O3
0.43ppb
SO2
10.58ppb
NO2
0.31ppm
CO
AQI 22
Good
4.35μg/m³
PM2.5
10.16μg/m³
PM10
19.85ppb
O3
0.35ppb
SO2
10.58ppb
NO2
0.30ppm
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 2026-03-09.
The best air quality in Hartselle, Alabama was recorded at 02:00:00 on 2026-03-09.
The real-time air quality index in Hartselle, Alabama is 22, currently categorized as Good.
The most common pollutant in Hartselle, Alabama is O3.
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 3.337 μg/m3.
The current PM10 levels in Hartselle, Alabama are 13.596 μg/m3.
The current carbon monoxide (CO) level in Hartselle, Alabama is 0.304 ppm.
The current sulfur dioxide (SO2) levels in Hartselle, Alabama are 0.427 ppb.
The current ozone (O3) levels at Hartselle, Alabama is 23.615 ppm.
The current nitrogen dioxide (NO2) levels at Hartselle, Alabama is 10.18 ppb.
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