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)
22
Good
Greer, South Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.98 μg/m³
0
55
155
255
425
605+
18.19 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
9.32 ppb
0
54
101
361
1250
2050+
0.35 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 22
Good
4.43μg/m³
PM2.5
11.48μg/m³
PM10
18.62ppb
O3
1.23ppb
SO2
9.86ppb
NO2
0.35ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
10.46μg/m³
PM10
18.16ppb
O3
1.34ppb
SO2
9.91ppb
NO2
0.36ppm
CO
AQI 22
Good
4.00μg/m³
PM2.5
12.65μg/m³
PM10
18.99ppb
O3
1.36ppb
SO2
9.44ppb
NO2
0.35ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
9.13μg/m³
PM10
17.67ppb
O3
1.45ppb
SO2
9.99ppb
NO2
0.36ppm
CO
AQI 22
Good
4.05μg/m³
PM2.5
12.35μg/m³
PM10
18.85ppb
O3
1.37ppb
SO2
9.49ppb
NO2
0.35ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
9.69μg/m³
PM10
17.82ppb
O3
1.41ppb
SO2
9.98ppb
NO2
0.36ppm
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 08:00:00 on 2025-08-31.
The best air quality in Greer, South Carolina was recorded at 03:00:00 on 2025-09-01.
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 PM2.5.
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 5.674 μg/m3.
The current PM10 levels in Greer, South Carolina are 17.178 μg/m3.
The current carbon monoxide (CO) level in Greer, South Carolina is 0.219 ppm.
The current sulfur dioxide (SO2) levels in Greer, South Carolina are 0.233 ppb.
The current ozone (O3) levels at Greer, South Carolina is 31.761 ppm.
The current nitrogen dioxide (NO2) levels at Greer, South Carolina is 2.367 ppb.
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