Lansing Air Quality in February

Across 2019–2025, Lansing's February air quality had a median AQI of 39 (Good) over 198 monitored days in the Lansing-East Lansing, MI area. 0.0% of February days (0 of 198) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 63.1% of days. The cleanest February on record here was 2023 (median AQI 35, 0 days above 100) and the worst was 2021 (median 51, 0 days above 100, peak AQI 88).

39
Median AQI
Good
0.0%
Days above AQI 100
0 of 198 days
61
90th percentile AQI
worst 1 day in 10
88
Peak AQI
Moderate
PM2.5
Main pollutant
63.1% of days
66.7%
Good days
132 of 198
  • Good: 66.7%
  • Moderate: 33.3%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Lansing in February?

Good on a typical day: median AQI 39 across 2019–2025, with 0.0% of February days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 66.7% of February days were Good (AQI 0–50), 33.3% Moderate (51–100).
  • 0 days of 198 reached AQI 101+; the February peak was 88.
  • Best February: 2023; worst February: 2021.

Frequently asked questions

What is the air quality like in Lansing in February?

Across 2019–2025, the median daily AQI in Lansing in February was 39 (Good). 66.7% of days were Good, 33.3% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 198 monitored days in EPA's Air Quality System.

Is February a good time for outdoor exercise in Lansing?

A typical February day in Lansing sits in the Good range (median AQI 39), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of February days reached AQI 101+ in 2019–2025.

Which pollutant causes Lansing's February air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 63.1% of February days in Lansing. The highest February AQI recorded in 2019–2025 was 88 (Moderate), in 2021.

Lansing February air quality, year by year

Lansing February air quality by year (Lansing-East Lansing, MI, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20192842078PM2.5
20202937061PM2.5
2021worst2851088PM2.5
20222849080PM2.5
2023cleanest2835047O3
20242942085PM2.5
20252836064PM2.5

What February air means in Lansing

A typical February day in Lansing sits in the Good range (median AQI 39), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of February days reached AQI 101+ in 2019–2025.

February's median AQI of 39 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 February AQI across every EPA metro area (87,428 metro-days, 2019–2025) is 41, so Lansing runs in line with the national February norm; 0.0% of its February days topped AQI 100 versus 0.4% nationally (about the same).

February is part of Lansing's winter season (December, January, February); the winter page pools all three months.

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 month 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.