Lansing Air Quality in 2020
In 2020, Lansing's air quality (Lansing-East Lansing, MI area) had a median daily AQI of 37 (Good) across 366 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 296 were Good, and the year's peak AQI was 151 (Unhealthy). Ground-level ozone set the daily AQI on 203 of those days. The cleanest month of 2020 was December (median AQI 26, 0 days above 100) and the worst was July (median 44, 1 day above 100, peak 151).
- Good: 80.9%
- Moderate: 18.9%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.3%
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How was Lansing's air quality in 2020?
Good on a typical day: median AQI 37, with 1 day above AQI 100 out of 366 monitored — the 5th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2020: 151 (Unhealthy).
- ✓Ground-level ozone was the main pollutant on 203 days.
- ✓Cleanest month: December; worst: July.
Frequently asked questions
What was the average AQI in Lansing in 2020?▾
EPA's Air Quality System puts Lansing's (Lansing-East Lansing, MI) median daily AQI for 2020 at 37, which is Good. 1 day were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 151.
Which month had the worst air quality in Lansing in 2020?▾
The cleanest month of 2020 was December (median AQI 26, 0 days above 100) and the worst was July (median 44, 1 day above 100, peak 151).
Was 2020 a good or bad year for Lansing's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 5th cleanest by days above AQI 100. 2020's median of 37 is below the area's typical annual median of 40.
Lansing month by month in 2020
Lansing air quality month by month, 2020 (Lansing-East Lansing, MI, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 37 | 0 | 61 | PM2.5 |
| February | 29 | 37 | 0 | 61 | PM2.5 |
| March | 31 | 39 | 0 | 60 | PM2.5 |
| April | 30 | 39 | 0 | 52 | O3 |
| May | 31 | 40 | 0 | 68 | O3 |
| June | 30 | 47 | 0 | 90 | O3 |
| Julyworst | 31 | 44 | 1 | 151 | PM2.5 |
| August | 31 | 46 | 0 | 64 | PM2.5 |
| September | 30 | 36 | 0 | 67 | O3 |
| October | 31 | 28 | 0 | 61 | O3 |
| November | 30 | 30 | 0 | 57 | O3 |
| Decembercleanest | 31 | 26 | 0 | 74 | O3 |
How 2020 compares
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 5th cleanest by days above AQI 100.
2020's median of 37 is below the area's typical annual median of 40.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Lansing
The latest EPA AirNow observation puts Lansing's AQI at 25 (PM2.5). The figures above are multi-year annual 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.