Real-time air quality index in Helena, Alabama today
Stay updated with real-time air quality in Helena, 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)
38
Good
Helena, Alabama
Last updated: ... (Local time)
Common air pollutants in Helena, Alabama
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
7.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
28.86 μg/m³
0
55
155
255
425
605+
Ozone (O3)
15.17 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
1.50 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
3.77 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Helena, Alabama
Helena, Alabama
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Helena, Alabama air quality map: Real-time AQI near you
Air quality in nearby cities
Pelham, Alabama
AQI 24
Good
4.22μg/m³
PM2.5
18.33μg/m³
PM10
26.32ppb
O3
1.67ppb
SO2
2.41ppb
NO2
0.21ppm
CO
Alabaster, Alabama
AQI 25
Good
4.23μg/m³
PM2.5
18.41μg/m³
PM10
27.30ppb
O3
1.70ppb
SO2
2.40ppb
NO2
0.21ppm
CO
Hoover, Alabama
AQI 26
Good
4.04μg/m³
PM2.5
17.31μg/m³
PM10
28.48ppb
O3
1.55ppb
SO2
2.50ppb
NO2
0.21ppm
CO
Bessemer, Alabama
AQI 30
Good
3.87μg/m³
PM2.5
16.79μg/m³
PM10
32.10ppb
O3
1.50ppb
SO2
2.44ppb
NO2
0.21ppm
CO
McCalla, Alabama
AQI 31
Good
3.90μg/m³
PM2.5
17.00μg/m³
PM10
33.86ppb
O3
1.53ppb
SO2
2.35ppb
NO2
0.21ppm
CO
Vestavia Hills, Alabama
AQI 27
Good
3.96μg/m³
PM2.5
16.51μg/m³
PM10
29.14ppb
O3
1.47ppb
SO2
2.60ppb
NO2
0.21ppm
CO
How accurate is Alabama, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Helena, Alabama updated?
Air quality data for Helena, Alabama is updated on an hourly basis.
When did Helena, Alabama experience the worst air quality in the last 24 hours?
The worst air quality in Helena, Alabama was recorded at 03:00:00 on 2025-07-17.
When did Helena, Alabama have its best air quality in the last 24 hours?
The best air quality in Helena, Alabama was recorded at 12:00:00 on 2025-07-18.
What is the real-time air quality index for Helena, Alabama?
The real-time air quality index in Helena, Alabama is 24, currently categorized as Good.
Which pollutant is found most often in Helena, Alabama?
The most common pollutant in Helena, Alabama is O3.
What can I do if the air quality in Helena, Alabama is poor?
If the air quality in Helena, Alabama is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Helena, Alabama?
The measured PM2.5 levels in Helena, Alabama at present are 4.216 μg/m3.
What are the current PM10 levels at Helena, Alabama?
The current PM10 levels in Helena, Alabama are 18.299 μg/m3.
What are the current carbon monoxide (CO) levels at Helena, Alabama?
The current carbon monoxide (CO) level in Helena, Alabama is 0.213 ppm.
What are the current sulfur dioxide (SO2) levels at Helena, Alabama?
The current sulfur dioxide (SO2) levels in Helena, Alabama are 1.662 ppb.
What are the current ozone (O3) levels at Helena, Alabama?
The current ozone (O3) levels at Helena, Alabama is 26.455 ppm.
What are the current nitrogen dioxide (NO2) levels at Helena, Alabama?
The current nitrogen dioxide (NO2) levels at Helena, Alabama is 2.41 ppb.
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