Horry County, South Carolina
AQI 41 · Good41
Median AQI
57
90th Percentile
170
Max AQI
273
Days with Data
Ranked #4 of 13 counties in South Carolina (by median AQI, lower is better)
Monthly Median AQI — 2025
Click a bar to view that month's details
41
Median AQI
57
90th Percentile
170
Max AQI
273
Days with Data
Ranked #4 of 13 counties in South Carolina (by median AQI, lower is better)
Click a bar to view that month's details