Columbia Air Quality in 2024
In 2024, Columbia's air quality (Columbia, SC area) had a median daily AQI of 47 (Good) across 366 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 210 were Good, and the year's peak AQI was 141 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 263 of those days. The cleanest month of 2024 was January (median AQI 34, 0 days above 100) and the worst was March (median 43, 1 day above 100, peak 141).
- Good: 57.4%
- Moderate: 42.3%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.0%
Extra Protection for Columbia Homes
Air quality in Columbia is moderate (AQI 52), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How was Columbia's air quality in 2024?
Good on a typical day: median AQI 47, with 1 day above AQI 100 out of 366 monitored — the 5th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2024: 141 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 263 days.
- ✓Cleanest month: January; worst: March.
Frequently asked questions
What was the average AQI in Columbia in 2024?▾
EPA's Air Quality System puts Columbia's (Columbia, SC) median daily AQI for 2024 at 47, which is Good. 1 day were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 141.
Which month had the worst air quality in Columbia in 2024?▾
The cleanest month of 2024 was January (median AQI 34, 0 days above 100) and the worst was March (median 43, 1 day above 100, peak 141).
Was 2024 a good or bad year for Columbia's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 5th cleanest by days above AQI 100. 2024's median of 47 is in line with the area's typical annual median of 47.
Columbia month by month in 2024
Columbia air quality month by month, 2024 (Columbia, SC, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 34 | 0 | 57 | PM2.5 |
| February | 29 | 51 | 0 | 90 | PM2.5 |
| Marchworst | 31 | 43 | 1 | 141 | PM2.5 |
| April | 30 | 52 | 0 | 70 | PM2.5 |
| May | 31 | 48 | 0 | 56 | PM2.5 |
| June | 30 | 52 | 0 | 74 | PM2.5 |
| July | 31 | 51 | 0 | 84 | PM2.5 |
| August | 31 | 53 | 0 | 66 | PM2.5 |
| September | 30 | 41 | 0 | 66 | PM2.5 |
| October | 31 | 47 | 0 | 67 | PM2.5 |
| November | 30 | 43 | 0 | 62 | PM2.5 |
| December | 31 | 43 | 0 | 67 | PM2.5 |
How 2024 compares
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 5th cleanest by days above AQI 100.
2024's median of 47 is in line with the area's typical annual median of 47.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Columbia
The latest EPA AirNow observation puts Columbia's AQI at 52 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Columbia air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Columbia, SC), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.