Stay updated with real-time air quality in Chelsea, 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)
56
Moderate
Chelsea, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.27 μg/m³
0
55
155
255
425
605+
20.45 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
3.75 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Chelsea, Alabama
Chelsea, Alabama
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AQI 56
Moderate
12.13μg/m³
PM2.5
39.30μg/m³
PM10
19.30ppb
O3
0.52ppb
SO2
3.58ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.46μg/m³
PM2.5
38.00μg/m³
PM10
22.28ppb
O3
0.52ppb
SO2
3.62ppb
NO2
0.20ppm
CO
AQI 58
Moderate
12.70μg/m³
PM2.5
37.19μg/m³
PM10
26.36ppb
O3
0.51ppb
SO2
3.69ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.23μg/m³
PM2.5
38.70μg/m³
PM10
19.98ppb
O3
0.52ppb
SO2
3.58ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.14μg/m³
PM2.5
39.22μg/m³
PM10
19.30ppb
O3
0.52ppb
SO2
3.58ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.16μg/m³
PM2.5
36.22μg/m³
PM10
26.76ppb
O3
0.50ppb
SO2
3.75ppb
NO2
0.20ppm
CO
Air quality data and pollutant measurements for Alabama, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Chelsea, Alabama is updated every hour.
The worst air quality in Chelsea, Alabama in the last 24 hours was observed at 07:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Chelsea, Alabama was observed at 03:00:00 on 2026-07-23.
The current air quality in Chelsea, Alabama is 56, categorized as Moderate based on real-time data.
The most common pollutant in Chelsea, Alabama is PM2.5.
If the air quality in Chelsea, Alabama is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Chelsea, Alabama is 11.565 μg/m3.
The current PM10 concentration at Chelsea, Alabama is 35.272 μg/m3.
The current carbon monoxide (CO) concentration at Chelsea, Alabama is 0.199 ppm.
The current sulfur dioxide (SO2) concentration at Chelsea, Alabama is 0.498 ppb.
The current ozone (O3) concentration at Chelsea, Alabama is 20.453 ppm.
The current nitrogen dioxide (NO2) concentration at Chelsea, Alabama is 3.746 ppb.
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