Stay updated with real-time air quality in Irmo, 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)
27
Good
Irmo, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.14 μg/m³
0
55
155
255
425
605+
26.52 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
2.77 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Irmo, South Carolina
Irmo, South Carolina
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AQI 27
Good
5.04μg/m³
PM2.5
21.46μg/m³
PM10
22.58ppb
O3
0.27ppb
SO2
2.77ppb
NO2
0.12ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
21.13μg/m³
PM10
22.65ppb
O3
0.27ppb
SO2
2.77ppb
NO2
0.12ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
20.08μg/m³
PM10
22.61ppb
O3
0.26ppb
SO2
2.74ppb
NO2
0.12ppm
CO
AQI 27
Good
4.79μg/m³
PM2.5
16.36μg/m³
PM10
19.95ppb
O3
0.41ppb
SO2
2.99ppb
NO2
0.13ppm
CO
AQI 27
Good
4.73μg/m³
PM2.5
18.73μg/m³
PM10
22.81ppb
O3
0.25ppb
SO2
2.71ppb
NO2
0.12ppm
CO
AQI 22
Good
4.41μg/m³
PM2.5
15.85μg/m³
PM10
23.32ppb
O3
0.22ppb
SO2
2.65ppb
NO2
0.11ppm
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 Irmo, South Carolina is updated on an hourly basis.
The worst air quality in Irmo, South Carolina was recorded at 03:00:00 on 2026-09-06.
The best air quality in Irmo, South Carolina was recorded at 10:00:00 on 2026-09-07.
The real-time air quality index in Irmo, South Carolina is 27, currently categorized as Good.
The most common pollutant in Irmo, South Carolina is PM2.5.
If the air quality in Irmo, South Carolina is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Irmo, South Carolina at present are 4.837 μg/m3.
The current PM10 levels in Irmo, South Carolina are 20.142 μg/m3.
The current carbon monoxide (CO) level in Irmo, South Carolina is 0.12 ppm.
The current sulfur dioxide (SO2) levels in Irmo, South Carolina are 0.119 ppb.
The current ozone (O3) levels at Irmo, South Carolina is 26.515 ppm.
The current nitrogen dioxide (NO2) levels at Irmo, South Carolina is 2.775 ppb.
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