Columbus Air Quality in April
Across 2019–2025, Columbus's April air quality had a median AQI of 46 (Good) over 210 monitored days in the Columbus, OH area. 0.0% of April days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 57.6% of days. The cleanest April on record here was 2020 (median AQI 44, 0 days above 100) and the worst was 2023 (median 52, 0 days above 100, peak AQI 90).
- Good: 62.9%
- Moderate: 37.1%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Extra Protection for Columbus Homes
Air quality in Columbus is moderate (AQI 58), 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 Columbus in April?
Good on a typical day: median AQI 46 across 2019–2025, with 0.0% of April days above AQI 100. Ground-level ozone is the main driver.
- ✓62.9% of April days were Good (AQI 0–50), 37.1% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the April peak was 90.
- ✓Best April: 2020; worst April: 2023.
Frequently asked questions
What is the air quality like in Columbus in April?▾
Across 2019–2025, the median daily AQI in Columbus in April was 46 (Good). 62.9% of days were Good, 37.1% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is April a good time for outdoor exercise in Columbus?▾
A typical April day in Columbus sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of April days reached AQI 101+ in 2019–2025.
Which pollutant causes Columbus's April air quality problems?▾
Ground-level ozone set the daily AQI on 57.6% of April days in Columbus. The highest April AQI recorded in 2019–2025 was 90 (Moderate), in 2023.
Columbus April air quality, year by year
Columbus April air quality by year (Columbus, OH, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 46 | 0 | 62 | O3 |
| 2020cleanest | 30 | 44 | 0 | 60 | O3 |
| 2021 | 30 | 48 | 0 | 71 | PM2.5 |
| 2022 | 30 | 44 | 0 | 56 | O3 |
| 2023worst | 30 | 52 | 0 | 90 | O3 |
| 2024 | 30 | 49 | 0 | 77 | O3 |
| 2025 | 30 | 49 | 0 | 87 | O3 |
What April air means in Columbus
A typical April day in Columbus sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of April days reached AQI 101+ in 2019–2025.
April's median AQI of 46 is below Columbus's whole-year median of 53, making it one of the area's cleaner periods. Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so Columbus runs in line with the national April norm; 0.0% of its April days topped AQI 100 versus 0.7% nationally (about the same).
April is part of Columbus's spring season (March, April, May); the spring page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Columbus
The latest EPA AirNow observation puts Columbus's AQI at 58 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Columbus air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Columbus, OH), 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.