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)
46
Good
Hartselle, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.04 μg/m³
0
55
155
255
425
605+
49.86 ppb
0
55
71
86
201
201+
1.01 ppb
0
36
76
186
605
1005+
8.44 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Hartselle, Alabama
Hartselle, Alabama
Scroll To Air Quality MapLoading...
AQI 44
Good
3.36μg/m³
PM2.5
21.07μg/m³
PM10
47.99ppb
O3
1.57ppb
SO2
9.46ppb
NO2
0.30ppm
CO
AQI 40
Good
3.14μg/m³
PM2.5
13.85μg/m³
PM10
43.45ppb
O3
1.32ppb
SO2
9.52ppb
NO2
0.30ppm
CO
AQI 44
Good
3.59μg/m³
PM2.5
16.60μg/m³
PM10
48.32ppb
O3
1.60ppb
SO2
9.71ppb
NO2
0.30ppm
CO
AQI 49
Good
3.63μg/m³
PM2.5
19.32μg/m³
PM10
53.17ppb
O3
1.66ppb
SO2
9.49ppb
NO2
0.29ppm
CO
AQI 42
Good
3.50μg/m³
PM2.5
15.13μg/m³
PM10
45.22ppb
O3
1.54ppb
SO2
9.92ppb
NO2
0.30ppm
CO
AQI 43
Good
3.69μg/m³
PM2.5
19.45μg/m³
PM10
45.60ppb
O3
1.61ppb
SO2
9.91ppb
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 09:00:00 on 2026-10-21.
The best air quality in Hartselle, Alabama was recorded at 12:00:00 on 2026-10-22.
The real-time air quality index in Hartselle, Alabama is 46, 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 1.438 μg/m3.
The current PM10 levels in Hartselle, Alabama are 6.035 μg/m3.
The current carbon monoxide (CO) level in Hartselle, Alabama is 0.274 ppm.
The current sulfur dioxide (SO2) levels in Hartselle, Alabama are 1.014 ppb.
The current ozone (O3) levels at Hartselle, Alabama is 49.862 ppm.
The current nitrogen dioxide (NO2) levels at Hartselle, Alabama is 8.441 ppb.
All Rights Reserved © Ambee Inc. 2025