Lansing Air Quality in August
Across 2019–2025, Lansing's August air quality had a median AQI of 47 (Good) over 217 monitored days in the Lansing-East Lansing, MI area. 1.4% of August days (3 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 71.0% of days. The cleanest August on record here was 2019 (median AQI 37, 0 days above 100) and the worst was 2025 (median 52, 3 days above 100, peak AQI 142).
- Good: 56.2%
- Moderate: 42.4%
- Unhealthy for Sensitive Groups: 1.4%
- 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.
Recommended: Levoit Core 400S — True HEPA · CADR ~141 CFM · rooms up to 219 sq ft
As an Amazon Associate, we earn from qualifying purchases.
How is the air in Lansing in August?
Good on a typical day: median AQI 47 across 2019–2025, with 1.4% of August days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓56.2% of August days were Good (AQI 0–50), 42.4% Moderate (51–100).
- ✓3 days of 217 reached AQI 101+; the August peak was 142.
- ✓Best August: 2019; worst August: 2025.
Frequently asked questions
What is the air quality like in Lansing in August?▾
Across 2019–2025, the median daily AQI in Lansing in August was 47 (Good). 56.2% of days were Good, 42.4% Moderate, and 1.4% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is August a good time for outdoor exercise in Lansing?▾
A typical August day in Lansing sits in the Good range (median AQI 47), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of August days (1.4%) reached AQI 101+ in 2019–2025.
Which pollutant causes Lansing's August air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 71.0% of August days in Lansing. The highest August AQI recorded in 2019–2025 was 142 (Unhealthy for Sensitive Groups), in 2025.
Lansing August air quality, year by year
Lansing August air quality by year (Lansing-East Lansing, MI, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 31 | 37 | 0 | 55 | PM2.5 |
| 2020 | 31 | 46 | 0 | 64 | PM2.5 |
| 2021 | 31 | 55 | 0 | 82 | PM2.5 |
| 2022 | 31 | 43 | 0 | 55 | PM2.5 |
| 2023 | 31 | 53 | 0 | 75 | PM2.5 |
| 2024 | 31 | 41 | 0 | 64 | PM2.5 |
| 2025worst | 31 | 52 | 3 | 142 | PM2.5 |
What August air means in Lansing
A typical August day in Lansing sits in the Good range (median AQI 47), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of August days (1.4%) reached AQI 101+ in 2019–2025.
August's median AQI of 47 is above Lansing's whole-year median of 40, making it one of the area's dirtier periods. Nationally, the median August AQI across every EPA metro area (104,152 metro-days, 2019–2025) is 45, so Lansing runs in line with the national August norm; 1.4% of its August days topped AQI 100 versus 3.5% nationally (below average).
August is part of Lansing's summer season (June, July, August); the summer 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.