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)
69
Moderate
Hartselle, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
80.72 μg/m³
0
55
155
255
425
605+
37.52 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
16.03 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Hartselle, Alabama
Hartselle, Alabama
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AQI 56
Moderate
12.10μg/m³
PM2.5
54.17μg/m³
PM10
39.43ppb
O3
0.77ppb
SO2
2.54ppb
NO2
0.19ppm
CO
AQI 54
Moderate
10.97μg/m³
PM2.5
48.35μg/m³
PM10
40.57ppb
O3
0.66ppb
SO2
3.61ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.35μg/m³
PM2.5
55.44μg/m³
PM10
40.07ppb
O3
0.58ppb
SO2
2.73ppb
NO2
0.20ppm
CO
AQI 60
Moderate
14.17μg/m³
PM2.5
63.39μg/m³
PM10
36.15ppb
O3
0.72ppb
SO2
2.48ppb
NO2
0.19ppm
CO
AQI 52
Moderate
10.18μg/m³
PM2.5
45.35μg/m³
PM10
43.87ppb
O3
0.50ppb
SO2
2.44ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
50.99μg/m³
PM10
40.76ppb
O3
0.50ppb
SO2
2.32ppb
NO2
0.20ppm
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 01:00:00 on 2026-04-24.
The best air quality in Hartselle, Alabama was recorded at 03:00:00 on 2026-04-23.
The real-time air quality index in Hartselle, Alabama is 64, 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 15.545 μg/m3.
The current PM10 levels in Hartselle, Alabama are 66.503 μg/m3.
The current carbon monoxide (CO) level in Hartselle, Alabama is 0.404 ppm.
The current sulfur dioxide (SO2) levels in Hartselle, Alabama are 0.69 ppb.
The current ozone (O3) levels at Hartselle, Alabama is 43.995 ppm.
The current nitrogen dioxide (NO2) levels at Hartselle, Alabama is 14.955 ppb.
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