Lansing Air Quality in Spring
Across 2019–2025, Lansing's spring (March–May) air quality had a median AQI of 41 (Good) over 644 monitored days in the Lansing-East Lansing, MI area. 0.2% of spring days (1 of 644) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 68.0% of days. The cleanest spring on record here was 2020 (median AQI 39, 0 days above 100) and the worst was 2023 (median 43, 1 day above 100, peak AQI 105).
- Good: 78.1%
- Moderate: 21.7%
- Unhealthy for Sensitive Groups: 0.2%
- Unhealthy or worse: 0.0%
Improve Indoor Air Quality
Even with good outdoor air in Lansing, indoor PM2.5, dust and allergens build up. A True-HEPA purifier keeps a bedroom or office consistently clean.
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How is the air in Lansing in spring?
Good on a typical day: median AQI 41 across 2019–2025, with 0.2% of spring days above AQI 100. Ground-level ozone is the main driver.
- ✓78.1% of spring days were Good (AQI 0–50), 21.7% Moderate (51–100).
- ✓1 day of 644 reached AQI 101+; the spring peak was 105.
- ✓Cleanest month: March; worst month: May.
Frequently asked questions
What is the air quality like in Lansing in spring?▾
Across 2019–2025, the median daily AQI in Lansing in spring was 41 (Good). 78.1% of days were Good, 21.7% Moderate, and 0.2% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is spring a good time for outdoor exercise in Lansing?▾
A typical spring day in Lansing sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of spring days reached AQI 101+ in 2019–2025.
Which pollutant causes Lansing's spring air quality problems?▾
Ground-level ozone set the daily AQI on 68.0% of spring days in Lansing. The highest spring AQI recorded in 2019–2025 was 105 (Unhealthy for Sensitive Groups), in 2023.
Lansing spring air quality, year by year
Lansing spring air quality by year (Lansing-East Lansing, MI, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 92 | 41 | 0 | 73 | O3 |
| 2020cleanest | 92 | 39 | 0 | 68 | O3 |
| 2021 | 92 | 43 | 0 | 89 | O3 |
| 2022 | 92 | 43 | 0 | 80 | O3 |
| 2023worst | 92 | 43 | 1 | 105 | O3 |
| 2024 | 92 | 42 | 0 | 80 | O3 |
| 2025 | 92 | 39 | 0 | 100 | O3 |
What spring air means in Lansing
A typical spring day in Lansing sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of spring days reached AQI 101+ in 2019–2025.
Spring's median AQI of 41 is in line with Lansing's whole-year median of 40, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Spring AQI across every EPA metro area (307,196 metro-days, 2019–2025) is 43, so Lansing runs in line with the national Spring norm; 0.2% of its Spring days topped AQI 100 versus 0.8% nationally (about the same).
Within the season, March is the cleanest month (median AQI 40, 0.0% of days above 100) and May the worst (median 42, 0.5% above 100).
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Lansing
The latest EPA AirNow observation puts Lansing's AQI at 28 (PM2.5). The figures above are multi-year season statistics, not today's reading.
View current Lansing air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Lansing-East Lansing, 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.