Columbia Air Quality in June
Across 2019–2025, Columbia's June air quality had a median AQI of 50 (Good) over 210 monitored days in the Columbia, SC area. 1.4% of June days (3 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 72.4% of days. The cleanest June on record here was 2021 (median AQI 41, 0 days above 100) and the worst was 2023 (median 58, 2 days above 100, peak AQI 108).
- Good: 50.5%
- Moderate: 48.1%
- Unhealthy for Sensitive Groups: 1.4%
- 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 is the air in Columbia in June?
Good on a typical day: median AQI 50 across 2019–2025, with 1.4% of June days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓50.5% of June days were Good (AQI 0–50), 48.1% Moderate (51–100).
- ✓3 days of 210 reached AQI 101+; the June peak was 117.
- ✓Best June: 2021; worst June: 2023.
Frequently asked questions
What is the air quality like in Columbia in June?▾
Across 2019–2025, the median daily AQI in Columbia in June was 50 (Good). 50.5% of days were Good, 48.1% Moderate, and 1.4% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is June a good time for outdoor exercise in Columbia?▾
A typical June day in Columbia sits in the Good range (median AQI 50), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of June days (1.4%) reached AQI 101+ in 2019–2025.
Which pollutant causes Columbia's June air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 72.4% of June days in Columbia. The highest June AQI recorded in 2019–2025 was 117 (Unhealthy for Sensitive Groups), in 2023.
Columbia June air quality, year by year
Columbia June air quality by year (Columbia, SC, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 43 | 0 | 67 | PM2.5 |
| 2020 | 30 | 45 | 1 | 117 | PM2.5 |
| 2021cleanest | 30 | 41 | 0 | 90 | PM2.5 |
| 2022 | 30 | 54 | 0 | 80 | O3 |
| 2023worst | 30 | 58 | 2 | 108 | PM2.5 |
| 2024 | 30 | 52 | 0 | 74 | PM2.5 |
| 2025 | 30 | 50 | 0 | 77 | PM2.5 |
What June air means in Columbia
A typical June day in Columbia sits in the Good range (median AQI 50), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of June days (1.4%) reached AQI 101+ in 2019–2025.
June's median AQI of 50 is in line with Columbia's whole-year median of 47, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Columbia runs above the national June norm; 1.4% of its June days topped AQI 100 versus 3.7% nationally (below average).
June is part of Columbia's summer season (June, July, August); the summer page pools all three months.
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 month 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.