Grand Rapids Air Quality in April
Across 2019–2025, Grand Rapids's April air quality had a median AQI of 44 (Good) over 210 monitored days in the Grand Rapids-Wyoming, MI area. 0.5% of April days (1 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 55.7% of days. The cleanest April on record here was 2020 (median AQI 41, 0 days above 100) and the worst was 2021 (median 43, 1 day above 100, peak AQI 107).
- Good: 67.1%
- Moderate: 32.4%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.0%
Extra Protection for Grand Rapids Homes
Air quality in Grand Rapids is moderate (AQI 53), 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 Grand Rapids in April?
Good on a typical day: median AQI 44 across 2019–2025, with 0.5% of April days above AQI 100. Ground-level ozone is the main driver.
- ✓67.1% of April days were Good (AQI 0–50), 32.4% Moderate (51–100).
- ✓1 day of 210 reached AQI 101+; the April peak was 107.
- ✓Best April: 2020; worst April: 2021.
Frequently asked questions
What is the air quality like in Grand Rapids in April?▾
Across 2019–2025, the median daily AQI in Grand Rapids in April was 44 (Good). 67.1% of days were Good, 32.4% Moderate, and 0.5% 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 Grand Rapids?▾
A typical April day in Grand Rapids sits in the Good range (median AQI 44), 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 Grand Rapids's April air quality problems?▾
Ground-level ozone set the daily AQI on 55.7% of April days in Grand Rapids. The highest April AQI recorded in 2019–2025 was 107 (Unhealthy for Sensitive Groups), in 2021.
Grand Rapids April air quality, year by year
Grand Rapids April air quality by year (Grand Rapids-Wyoming, MI, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 44 | 0 | 77 | O3 |
| 2020cleanest | 30 | 41 | 0 | 67 | O3 |
| 2021worst | 30 | 43 | 1 | 107 | PM2.5 |
| 2022 | 30 | 43 | 0 | 64 | O3 |
| 2023 | 30 | 44 | 0 | 93 | O3 |
| 2024 | 30 | 44 | 0 | 61 | O3 |
| 2025 | 30 | 48 | 0 | 84 | PM2.5 |
What April air means in Grand Rapids
A typical April day in Grand Rapids sits in the Good range (median AQI 44), 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 44 is below Grand Rapids's whole-year median of 51, 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 Grand Rapids runs in line with the national April norm; 0.5% of its April days topped AQI 100 versus 0.7% nationally (about the same).
April is part of Grand Rapids's spring season (March, April, May); the spring page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Grand Rapids
The latest EPA AirNow observation puts Grand Rapids's AQI at 53 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Grand Rapids air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Grand Rapids-Wyoming, MI), 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.