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)
43
Good
Fort Mill, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.68 μg/m³
0
55
155
255
425
605+
45.60 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
2.82 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Fort Mill, South Carolina
Fort Mill, South Carolina
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AQI 43
Good
3.57μg/m³
PM2.5
14.58μg/m³
PM10
46.24ppb
O3
0.27ppb
SO2
2.69ppb
NO2
0.20ppm
CO
AQI 43
Good
3.53μg/m³
PM2.5
15.40μg/m³
PM10
46.20ppb
O3
0.24ppb
SO2
2.91ppb
NO2
0.20ppm
CO
AQI 44
Good
3.54μg/m³
PM2.5
15.80μg/m³
PM10
47.59ppb
O3
0.28ppb
SO2
2.67ppb
NO2
0.20ppm
CO
AQI 44
Good
3.95μg/m³
PM2.5
17.48μg/m³
PM10
46.69ppb
O3
0.25ppb
SO2
3.04ppb
NO2
0.20ppm
CO
AQI 43
Good
3.92μg/m³
PM2.5
16.23μg/m³
PM10
45.55ppb
O3
0.26ppb
SO2
2.72ppb
NO2
0.20ppm
CO
AQI 45
Good
3.55μg/m³
PM2.5
15.63μg/m³
PM10
49.02ppb
O3
0.27ppb
SO2
2.54ppb
NO2
0.20ppm
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 03:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Fort Mill, South Carolina was observed at 04:00:00 on 2026-10-22.
As of now, the AQI in Fort Mill, South Carolina is 43, 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 3.741 μg/m3.
The PM10 concentration in Fort Mill, South Carolina is 15.684 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fort Mill, South Carolina is 0.2 ppm.
Currently, Fort Mill, South Carolina has a sulfur dioxide (SO2) concentration of 0.255 ppb.
The current ozone (O3) level in Fort Mill, South Carolina at the moment is 45.596 ppm.
Nitrogen dioxide (NO2) level in Fort Mill, South Carolina at the moment is 2.823 ppb.
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