Stay updated with real-time air quality in Fort Mill, South Carolina 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)
27
Good
Fort Mill, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.24 μg/m³
0
55
155
255
425
605+
7.55 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
6.74 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fort Mill, South Carolina
Fort Mill, South Carolina
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AQI 22
Good
4.33μg/m³
PM2.5
18.14μg/m³
PM10
6.75ppb
O3
0.12ppb
SO2
6.22ppb
NO2
0.33ppm
CO
AQI 16
Good
2.98μg/m³
PM2.5
13.72μg/m³
PM10
5.22ppb
O3
0.16ppb
SO2
8.09ppb
NO2
0.35ppm
CO
AQI 44
Good
7.67μg/m³
PM2.5
39.90μg/m³
PM10
6.74ppb
O3
0.12ppb
SO2
5.43ppb
NO2
0.33ppm
CO
AQI 22
Good
4.08μg/m³
PM2.5
18.12μg/m³
PM10
5.63ppb
O3
0.16ppb
SO2
8.06ppb
NO2
0.35ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
20.25μg/m³
PM10
5.34ppb
O3
0.16ppb
SO2
7.20ppb
NO2
0.34ppm
CO
AQI 44
Good
7.87μg/m³
PM2.5
41.87μg/m³
PM10
6.72ppb
O3
0.18ppb
SO2
5.65ppb
NO2
0.33ppm
CO
Air quality and pollutant data for South Carolina, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Fort Mill, South Carolina is updated every hour for accuracy.
In the past 24 hours, the air quality in Fort Mill, South Carolina was at its worst at 07:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Fort Mill, South Carolina was observed at 03:00:00 on 2025-12-07.
As of now, the AQI in Fort Mill, South Carolina is 27, indicating Good conditions.
Fort Mill, South Carolina air has the highest levels of PM2.5.
Poor air quality in Fort Mill, South Carolina means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Fort Mill, South Carolina are currently 4.705 μg/m3.
The PM10 concentration in Fort Mill, South Carolina is 20.237 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fort Mill, South Carolina is 0.344 ppm.
Currently, Fort Mill, South Carolina has a sulfur dioxide (SO2) concentration of 0.14 ppb.
The current ozone (O3) level in Fort Mill, South Carolina at the moment is 7.546 ppm.
Nitrogen dioxide (NO2) level in Fort Mill, South Carolina at the moment is 6.742 ppb.
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