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)
39
Good
Fort Mill, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.35 μg/m³
0
55
155
255
425
605+
41.60 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.30 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fort Mill, South Carolina
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AQI 36
Good
5.78μg/m³
PM2.5
27.06μg/m³
PM10
39.48ppb
O3
1.82ppb
SO2
4.37ppb
NO2
0.10ppm
CO
AQI 39
Good
2.69μg/m³
PM2.5
9.08μg/m³
PM10
41.89ppb
O3
1.91ppb
SO2
4.10ppb
NO2
0.10ppm
CO
AQI 49
Good
9.47μg/m³
PM2.5
39.23μg/m³
PM10
37.30ppb
O3
1.71ppb
SO2
4.20ppb
NO2
0.10ppm
CO
AQI 39
Good
3.08μg/m³
PM2.5
11.46μg/m³
PM10
41.82ppb
O3
1.92ppb
SO2
4.12ppb
NO2
0.10ppm
CO
AQI 38
Good
5.26μg/m³
PM2.5
12.91μg/m³
PM10
40.95ppb
O3
1.25ppb
SO2
3.69ppb
NO2
0.10ppm
CO
AQI 49
Good
9.24μg/m³
PM2.5
47.27μg/m³
PM10
41.91ppb
O3
0.68ppb
SO2
4.40ppb
NO2
0.10ppm
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 2026-03-10.
In the last 24 hours, the best air quality in Fort Mill, South Carolina was observed at 04:00:00 on 2026-03-10.
As of now, the AQI in Fort Mill, South Carolina is 39, 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 4.244 μg/m3.
The PM10 concentration in Fort Mill, South Carolina is 13.347 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fort Mill, South Carolina is 0.114 ppm.
Currently, Fort Mill, South Carolina has a sulfur dioxide (SO2) concentration of 0.792 ppb.
The current ozone (O3) level in Fort Mill, South Carolina at the moment is 41.603 ppm.
Nitrogen dioxide (NO2) level in Fort Mill, South Carolina at the moment is 2.3 ppb.
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