For 6/20/2021
[ The forecast is updated daily by 3:30 pm EDT. ]
All regions are on track to finish GREEN for Ground Level Ozone Saturday. The Palmetto State will likely see influence from Claudette which should move through the Carolinas as a Tropical Depression on Sunday. Widespread showers and thunderstorms featuring heavy downpours are likely. The airmass across the state will be exceptionally moist and tropical keeping all regions well within Code GREEN thresholds.
| County * |
Color Code |
AQI |
| Abbeville |
Good (Green) |
22 |
| Aiken |
Good (Green) |
19 |
| Anderson |
Good (Green) |
22 |
| Barnwell |
Good (Green) |
19 |
| Berkeley |
Good (Green) |
31 |
| Calhoun |
Good (Green) |
25 |
| Charleston |
Good (Green) |
31 |
| Cherokee |
Good (Green) |
22 |
| Chester |
Good (Green) |
24 |
| Chesterfield |
Good (Green) |
35 |
| Darlington |
Good (Green) |
35 |
| Dillon |
Good (Green) |
35 |
| Dorchester |
Good (Green) |
31 |
| Edgefield |
Good (Green) |
19 |
| Fairfield |
Good (Green) |
25 |
| Florence |
Good (Green) |
35 |
| Greenville |
Good (Green) |
22 |
| Greenwood |
Good (Green) |
22 |
| Kershaw |
Good (Green) |
25 |
| Lancaster |
Good (Green) |
24 |
| Laurens |
Good (Green) |
22 |
| Lee |
Good (Green) |
35 |
| Lexington |
Good (Green) |
25 |
| Marlboro |
Good (Green) |
35 |
| McCormick |
Good (Green) |
19 |
| Newberry |
Good (Green) |
25 |
| Oconee |
Good (Green) |
22 |
| Pickens |
Good (Green) |
22 |
| Richland |
Good (Green) |
25 |
| Saluda |
Good (Green) |
25 |
| Spartanburg |
Good (Green) |
22 |
| Sumter |
Good (Green) |
25 |
| Union |
Good (Green) |
22 |
| York |
Good (Green) |
24 |
| GA-Columbia |
Good (Green) |
19 |
| GA-Richmond |
Good (Green) |
19 |
| * Ozone forecasts are not issued for counties not listed in this table.
|
| AQI Color Code (Value) |
Cautionary Statement |
|
Good
(0-50)
|
No health effects are expected.
|
|
Moderate
(51-100)
|
Unusually sensitive people should consider limiting prolonged outdoor exertion.
|
|
Unhealthy for Sensitive Groups
(101-150)
|
The following groups should limit prolonged outdoor exertion:
- People with lung disease, such as asthma
- Children and older adults
- People who are active outdoors
|
|
Unhealthy
(151-200)
|
The following groups should avoid prolonged outdoor exertion:
- People with lung disease, such as asthma
- Children and older adults
- People who are active outdoors
Everyone else should limit prolonged outdoor exertion.
|
|
Very Unhealthy
(200+)
|
The following groups should avoid all outdoor exertion:
- People with lung disease, such as asthma
- Children and older adults
- People who are active outdoors
Everyone else should limit outdoor exertion.
|
