Bad Air Days in Pickens County, South Carolina: under 1 a Year
under 1 bad air days a year
Rare: among the cleanest-air counties EPA monitors. Ranked 831 of 996 monitored counties, where 1 is worst.
What makes them bad: mostly ozone: summer smog (0% particle days).
When the bad days come in Pickens
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Most bad days here fall in April. Averaged over 2016 to 2025.
Is a purifier worth it here?
- Bad air days are rare here. A standard furnace filter is enough; no purifier needed for outdoor air.
- On the odd bad day, check AirNow and keep windows shut.
Better or worse than it was
In 2000 to 2009 this county averaged 31 bad days a year; in 2016 to 2025, under 1. The air has improved. The worst recent year was 2016, with 1 bad day on 259 monitored days.
| Date | AQI | Main pollutant |
|---|---|---|
| 2016-04-20 | 108 | Ozone |
| 2016-06-10 | 97 | Ozone |
| 2016-04-17 | 90 | Ozone |
| 2016-05-25 | 90 | Ozone |
| 2016-06-11 | 90 | Ozone |
The air on a normal day
Across 801 monitored days from 2016 to 2019, the air in Pickens County rated Good on 86% of them, more often than the 72% typical of monitored counties, and Moderate on 14%. The median day sat at AQI 42; one day in ten went above 56.
The pollutant setting the AQI on an ordinary day here:
- ozone100%801 days
Every recent year on file
| Year | Days monitored | Good | Moderate | Over 100 | Over 150 | Median AQI | Highest AQI |
|---|---|---|---|---|---|---|---|
| 2019 | 99 | 77 | 22 | 0 | 0 | 44 | 84 |
| 2018 | 152 | 132 | 20 | 0 | 0 | 40 | 84 |
| 2017 | 291 | 265 | 26 | 0 | 0 | 41 | 84 |
| 2016 | 259 | 213 | 45 | 1 | 0 | 44 | 108 |
| 2015 | 217 | 194 | 23 | 0 | 0 | 39 | 87 |
| 2014 | 240 | 216 | 24 | 0 | 0 | 40 | 90 |
| 2013 | 237 | 218 | 19 | 0 | 0 | 38 | 97 |
| 2012 | 244 | 190 | 54 | 0 | 0 | 44 | 100 |
| 2011 | 272 | 165 | 93 | 14 | 0 | 47 | 140 |
| 2010 | 348 | 269 | 73 | 6 | 0 | 41 | 129 |
Elsewhere in South Carolina
- Cherokee Countythin data
- York County2/yr
- Spartanburg County2/yr
- Richland County1/yr
- Colleton County1/yr
- Greenville County1/yr
- Charleston Countyunder 1/yr
- Chesterfield Countyunder 1/yr
How this is counted
A bad air day is a day the county's daily AQI from EPA AirData went above 100, the level where EPA tells children, older adults and people with asthma or heart disease to cut back outdoors. Monitors do not run every day, so yearly counts are scaled to 365 days. This is the record, not today's air: for that, check AirNow. More on the method in how the county numbers are made, on the AQI 100 line in what counts as a bad air day, and on why a purifier does not touch ozone in smoke vs ozone.