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)
72
Moderate
Greer, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
98.41 μg/m³
0
55
155
255
425
605+
7.44 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
5.67 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Greer, South Carolina
Greer, South Carolina
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AQI 38
Good
7.10μg/m³
PM2.5
17.83μg/m³
PM10
8.84ppb
O3
0.14ppb
SO2
6.03ppb
NO2
0.44ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
14.08μg/m³
PM10
8.20ppb
O3
0.12ppb
SO2
6.02ppb
NO2
0.44ppm
CO
AQI 44
Good
8.30μg/m³
PM2.5
33.53μg/m³
PM10
9.01ppb
O3
0.17ppb
SO2
6.11ppb
NO2
0.43ppm
CO
AQI 33
Good
6.44μg/m³
PM2.5
8.53μg/m³
PM10
7.42ppb
O3
0.10ppb
SO2
6.00ppb
NO2
0.45ppm
CO
AQI 44
Good
8.13μg/m³
PM2.5
31.34μg/m³
PM10
8.87ppb
O3
0.16ppb
SO2
6.10ppb
NO2
0.44ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
10.29μg/m³
PM10
7.72ppb
O3
0.11ppb
SO2
6.00ppb
NO2
0.45ppm
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 06:00:00 on 2025-12-07.
The best air quality in Greer, South Carolina was recorded at 03:00:00 on 2025-12-07.
The real-time air quality index in Greer, South Carolina is 72, currently categorized as Moderate.
The most common pollutant in Greer, South Carolina is PM10.
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 6.082 μg/m3.
The current PM10 levels in Greer, South Carolina are 98.405 μg/m3.
The current carbon monoxide (CO) level in Greer, South Carolina is 0.428 ppm.
The current sulfur dioxide (SO2) levels in Greer, South Carolina are 0.203 ppb.
The current ozone (O3) levels at Greer, South Carolina is 7.444 ppm.
The current nitrogen dioxide (NO2) levels at Greer, South Carolina is 5.668 ppb.
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