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)
52
Moderate
Hartselle, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.40 μg/m³
0
55
155
255
425
605+
24.95 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
4.15 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hartselle, Alabama
Hartselle, Alabama
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AQI 54
Moderate
10.68μg/m³
PM2.5
45.85μg/m³
PM10
25.21ppb
O3
1.06ppb
SO2
4.95ppb
NO2
0.24ppm
CO
AQI 54
Moderate
11.06μg/m³
PM2.5
32.40μg/m³
PM10
25.48ppb
O3
0.95ppb
SO2
4.13ppb
NO2
0.24ppm
CO
AQI 49
Good
9.33μg/m³
PM2.5
31.47μg/m³
PM10
23.76ppb
O3
1.04ppb
SO2
5.08ppb
NO2
0.23ppm
CO
AQI 54
Moderate
10.92μg/m³
PM2.5
46.75μg/m³
PM10
25.26ppb
O3
1.10ppb
SO2
5.03ppb
NO2
0.23ppm
CO
AQI 49
Good
9.22μg/m³
PM2.5
23.73μg/m³
PM10
25.87ppb
O3
0.91ppb
SO2
5.12ppb
NO2
0.23ppm
CO
AQI 49
Good
9.30μg/m³
PM2.5
29.57μg/m³
PM10
26.12ppb
O3
0.96ppb
SO2
5.17ppb
NO2
0.23ppm
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 2026-07-23.
The best air quality in Hartselle, Alabama was recorded at 03:00:00 on 2026-07-23.
The real-time air quality index in Hartselle, Alabama is 52, 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 10.434 μg/m3.
The current PM10 levels in Hartselle, Alabama are 45.395 μg/m3.
The current carbon monoxide (CO) level in Hartselle, Alabama is 0.226 ppm.
The current sulfur dioxide (SO2) levels in Hartselle, Alabama are 0.918 ppb.
The current ozone (O3) levels at Hartselle, Alabama is 24.953 ppm.
The current nitrogen dioxide (NO2) levels at Hartselle, Alabama is 4.15 ppb.
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