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)
24
Good
Fort Mill, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.64 μg/m³
0
55
155
255
425
605+
26.09 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
8.15 ppb
0
54
101
361
1250
2050+
0.29 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 44
Good
7.62μg/m³
PM2.5
26.56μg/m³
PM10
19.38ppb
O3
0.30ppb
SO2
8.00ppb
NO2
0.25ppm
CO
AQI 24
Good
3.90μg/m³
PM2.5
16.68μg/m³
PM10
25.78ppb
O3
0.31ppb
SO2
10.08ppb
NO2
0.26ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
16.02μg/m³
PM10
21.03ppb
O3
0.30ppb
SO2
7.57ppb
NO2
0.24ppm
CO
AQI 27
Good
4.63μg/m³
PM2.5
20.20μg/m³
PM10
26.08ppb
O3
0.31ppb
SO2
10.12ppb
NO2
0.26ppm
CO
AQI 19
Good
3.46μg/m³
PM2.5
13.41μg/m³
PM10
20.62ppb
O3
0.31ppb
SO2
8.71ppb
NO2
0.25ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
27.62μg/m³
PM10
27.79ppb
O3
0.31ppb
SO2
7.58ppb
NO2
0.24ppm
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 04:00:00 on 2026-08-11.
In the last 24 hours, the best air quality in Fort Mill, South Carolina was observed at 11:00:00 on 2026-08-12.
As of now, the AQI in Fort Mill, South Carolina is 16, 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 3.416 μg/m3.
The PM10 concentration in Fort Mill, South Carolina is 13.783 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fort Mill, South Carolina is 0.215 ppm.
Currently, Fort Mill, South Carolina has a sulfur dioxide (SO2) concentration of 0.263 ppb.
The current ozone (O3) level in Fort Mill, South Carolina at the moment is 15.703 ppm.
Nitrogen dioxide (NO2) level in Fort Mill, South Carolina at the moment is 11.63 ppb.
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