Lansing Air Quality in 2024

In 2024, Lansing's air quality (Lansing-East Lansing, MI area) had a median daily AQI of 40 (Good) across 366 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 277 were Good, and the year's peak AQI was 85 (Moderate). Ground-level ozone set the daily AQI on 202 of those days. The cleanest month of 2024 was November (median AQI 28, 0 days above 100) and the worst was July (median 46, 0 days above 100, peak 69).

40
Median AQI
Good
0
Days above AQI 100
0.0% of 366 days
58
90th percentile AQI
worst 1 day in 10
85
Peak AQI
Moderate
O3
Main pollutant
202 of 366 days
277
Good days
75.7% of days
  • Good: 75.7%
  • Moderate: 24.3%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Lansing's air quality in 2024?

Good on a typical day: median AQI 40, with 0 days above AQI 100 out of 366 monitored — the 2nd cleanest of 7 years on record for the area.

  • Peak AQI in 2024: 85 (Moderate).
  • Ground-level ozone was the main pollutant on 202 days.
  • Cleanest month: November; worst: July.

Frequently asked questions

What was the average AQI in Lansing in 2024?

EPA's Air Quality System puts Lansing's (Lansing-East Lansing, MI) median daily AQI for 2024 at 40, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 85.

Which month had the worst air quality in Lansing in 2024?

The cleanest month of 2024 was November (median AQI 28, 0 days above 100) and the worst was July (median 46, 0 days above 100, peak 69).

Was 2024 a good or bad year for Lansing's air?

Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 2nd cleanest by days above AQI 100. 2024's median of 40 is in line with the area's typical annual median of 40.

Lansing month by month in 2024

Lansing air quality month by month, 2024 (Lansing-East Lansing, MI, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3134071PM2.5
February2942085PM2.5
March3136058O3
April3043054O3
May3146080O3
June3045074O3
Julyworst3146069PM2.5
August3141064PM2.5
September3042067O3
October3136061O3
Novembercleanest3028057O3
December3134065PM2.5

How 2024 compares

Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 2nd cleanest by days above AQI 100.

2024's median of 40 is in line with 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 28 (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.