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)
19
Good
Fort Mill, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.42 μg/m³
0
55
155
255
425
605+
19.96 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
4.41 ppb
0
54
101
361
1250
2050+
0.19 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
4.04μg/m³
PM2.5
14.54μg/m³
PM10
23.85ppb
O3
0.22ppb
SO2
3.89ppb
NO2
0.19ppm
CO
AQI 22
Good
3.67μg/m³
PM2.5
15.48μg/m³
PM10
18.59ppb
O3
0.25ppb
SO2
4.77ppb
NO2
0.20ppm
CO
AQI 24
Good
3.66μg/m³
PM2.5
16.90μg/m³
PM10
26.16ppb
O3
0.21ppb
SO2
3.71ppb
NO2
0.18ppm
CO
AQI 22
Good
3.89μg/m³
PM2.5
16.73μg/m³
PM10
19.17ppb
O3
0.24ppb
SO2
4.91ppb
NO2
0.20ppm
CO
AQI 19
Good
3.09μg/m³
PM2.5
11.26μg/m³
PM10
19.73ppb
O3
0.24ppb
SO2
4.25ppb
NO2
0.19ppm
CO
AQI 24
Good
3.85μg/m³
PM2.5
15.54μg/m³
PM10
26.11ppb
O3
0.24ppb
SO2
3.71ppb
NO2
0.19ppm
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 09:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Fort Mill, South Carolina was observed at 07:00:00 on 2026-09-07.
As of now, the AQI in Fort Mill, South Carolina is 19, indicating Good conditions.
Fort Mill, South Carolina air has the highest levels of O3.
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 2.978 μg/m3.
The PM10 concentration in Fort Mill, South Carolina is 11.42 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fort Mill, South Carolina is 0.192 ppm.
Currently, Fort Mill, South Carolina has a sulfur dioxide (SO2) concentration of 0.236 ppb.
The current ozone (O3) level in Fort Mill, South Carolina at the moment is 19.958 ppm.
Nitrogen dioxide (NO2) level in Fort Mill, South Carolina at the moment is 4.413 ppb.
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