Stay updated with real-time air quality in Greer, 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)
49
Good
Greer, South Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.51 μg/m³
0
55
155
255
425
605+
43.15 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
5.64 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Greer, South Carolina
Greer, South Carolina
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AQI 49
Good
9.24μg/m³
PM2.5
22.14μg/m³
PM10
41.74ppb
O3
0.36ppb
SO2
4.25ppb
NO2
0.27ppm
CO
AQI 49
Good
9.20μg/m³
PM2.5
19.05μg/m³
PM10
40.74ppb
O3
0.36ppb
SO2
3.74ppb
NO2
0.27ppm
CO
AQI 49
Good
8.91μg/m³
PM2.5
24.06μg/m³
PM10
44.55ppb
O3
0.35ppb
SO2
4.94ppb
NO2
0.27ppm
CO
AQI 49
Good
9.20μg/m³
PM2.5
15.33μg/m³
PM10
39.33ppb
O3
0.37ppb
SO2
3.06ppb
NO2
0.27ppm
CO
AQI 49
Good
8.93μg/m³
PM2.5
23.26μg/m³
PM10
44.09ppb
O3
0.35ppb
SO2
4.78ppb
NO2
0.27ppm
CO
AQI 49
Good
9.20μg/m³
PM2.5
16.81μg/m³
PM10
39.81ppb
O3
0.36ppb
SO2
3.34ppb
NO2
0.27ppm
CO
Air quality measurements for South Carolina, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Greer, South Carolina is updated on an hourly basis.
The worst air quality in Greer, South Carolina was recorded at 02:00:00 on 2025-10-19.
The best air quality in Greer, South Carolina was recorded at 12:00:00 on 2025-10-19.
The real-time air quality index in Greer, South Carolina is 33, currently categorized as Good.
The most common pollutant in Greer, South Carolina is O3.
If the air quality in Greer, South Carolina is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Greer, South Carolina at present are 6.495 μg/m3.
The current PM10 levels in Greer, South Carolina are 24.756 μg/m3.
The current carbon monoxide (CO) level in Greer, South Carolina is 0.253 ppm.
The current sulfur dioxide (SO2) levels in Greer, South Carolina are 0.284 ppb.
The current ozone (O3) levels at Greer, South Carolina is 35.622 ppm.
The current nitrogen dioxide (NO2) levels at Greer, South Carolina is 4.139 ppb.
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