Where is the air worst in South Carolina right now?

Pee Dee has the highest current reading at AQI 44 (Good).

How often are readings updated?

Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

South Carolina Air Quality

Current AQI at 14 monitors, highest 44 (Good) · Measured 10/26/2026, 1:00 PM PT

Monitors: 14
Highest AQI: 44; Good
Typical (median): 35; Good
Above 100: 0

Monitoring sites in South Carolina

Worst first. Times are local.

44Pee DeeGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
42SandhillGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
40HillcrestGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
38Congaree BluffGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
38JacksonGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
37York LandfillGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
35North Spartanburg FSGood · Ozone · Mon 10/26/2026, 3:00 PM EDT
30Coastal CarolinaGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT
21Cape RomainGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT
21Greenville-ESCGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT
21TK GreggGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT
21TrentonGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT
19ParklaneGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT
14ChesterfieldGood · Fine particles (PM2.5) · Mon 10/26/2026, 4:00 PM EDT

By county

Highest current AQI among the county's monitors

What the AQI means

0-50Good. Air quality is satisfactory and poses little or no risk.
51-100Moderate. Acceptable. A few unusually sensitive people may have symptoms.
101-150Unhealthy for Sensitive Groups. People with heart or lung disease, older adults, children and teens should limit long or heavy outdoor exertion.
151-200Unhealthy. Everyone may begin to feel effects. Sensitive groups should avoid long or heavy outdoor exertion.
201-300Very Unhealthy. Health alert: the risk of health effects is increased for everyone.
301-500Hazardous. Health warning of emergency conditions. Everyone is more likely to be affected.

Frequently asked questions

Where is the air worst in South Carolina right now?: Pee Dee has the highest current reading at AQI 44 (Good).
How often are readings updated?: Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Source: EPA AirNow · Last updated 10/26/2026 · Data are preliminary and subject to change

Nearby states

Data sources

AirNowU.S. Environmental Protection Agency

Data as of 10/26/2026

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More about South Carolina

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About this data

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