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AirHistory

Air Quality in South Carolina

10-year air quality trends for 18 monitored areas in South Carolina.

See full South Carolina air quality rankings →
18
Cities
39
Avg AQI (5yr)
10
Improving
0
Stable
8
Worsening

All Monitored Areas in South Carolina

Colleton, South Carolina

Colleton County · AQI 26 (5yr avg) · Improving · PM2.5

A

Georgetown, South Carolina

Georgetown County · AQI 14 (5yr avg) · Improving · PM10

A

Oconee, South Carolina

Oconee County · AQI 37 (5yr avg) · Improving · Ozone

B

Chesterfield, South Carolina

Chesterfield County · AQI 39 (5yr avg) · Improving · PM2.5

B

Aiken, South Carolina

Aiken County · AQI 36 (5yr avg) · Improving · Ozone

B

Darlington, South Carolina

Darlington County · AQI 36 (5yr avg) · Improving · Ozone

B

Lexington, South Carolina

Lexington County · AQI 42 (5yr avg) · Improving · PM2.5

B

Florence, South Carolina

Florence County · AQI 42 (5yr avg) · Improving · PM2.5

B

Richland, South Carolina

Richland County · AQI 43 (5yr avg) · Improving · PM2.5

B

Berkeley, South Carolina

Berkeley County · AQI 34 (5yr avg) · Stable · Ozone

B

Anderson, South Carolina

Anderson County · AQI 39 (5yr avg) · Stable · Ozone

B

Edgefield, South Carolina

Edgefield County · AQI 41 (5yr avg) · Stable · PM2.5

C

Spartanburg, South Carolina

Spartanburg County · AQI 47 (5yr avg) · Improving · PM2.5

C

Charleston, South Carolina

Charleston County · AQI 45 (5yr avg) · Stable · PM2.5

C

Pickens, South Carolina

Pickens County · AQI 44 (5yr avg) · Worsening · Ozone

C

Greenville, South Carolina

Greenville County · AQI 49 (5yr avg) · Stable · PM2.5

C

Horry, South Carolina

Horry County · AQI 37 (5yr avg) · Worsening · Ozone

C

York, South Carolina

York County · AQI 44 (5yr avg) · Worsening · Ozone

C
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Frequently Asked Questions

South Carolina has 18 monitored areas with an average 5-year AQI of 39 and an average Air Quality Grade of B. 10 cities are improving, 8 are worsening, and 0 are stable.

Colleton, South Carolina has the best Air Quality Grade (A) in South Carolina with a 5-year average AQI of 26.

Of 18 monitored areas in South Carolina, 10 are showing improving trends, 8 are worsening, and 0 remain stable over the past decade.

Sources: EPA Air Quality System (AQS)
Last updated: