Grand Rapids Air Quality in November

Across 2019–2025, Grand Rapids's November air quality had a median AQI of 39 (Good) over 210 monitored days in the Grand Rapids-Wyoming, MI area. 0.0% of November days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 71.4% of days. The cleanest November on record here was 2019 (median AQI 27, 0 days above 100) and the worst was 2021 (median 50, 0 days above 100, peak AQI 72).

39
Median AQI
Good
0.0%
Days above AQI 100
0 of 210 days
64
90th percentile AQI
worst 1 day in 10
99
Peak AQI
Moderate
PM2.5
Main pollutant
71.4% of days
65.2%
Good days
137 of 210
  • Good: 65.2%
  • Moderate: 34.8%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Grand Rapids in November?

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

  • 65.2% of November days were Good (AQI 0–50), 34.8% Moderate (51–100).
  • 0 days of 210 reached AQI 101+; the November peak was 99.
  • Best November: 2019; worst November: 2021.

Frequently asked questions

What is the air quality like in Grand Rapids in November?

Across 2019–2025, the median daily AQI in Grand Rapids in November was 39 (Good). 65.2% of days were Good, 34.8% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.

Is November a good time for outdoor exercise in Grand Rapids?

A typical November day in Grand Rapids 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 November days reached AQI 101+ in 2019–2025.

Which pollutant causes Grand Rapids's November air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 71.4% of November days in Grand Rapids. The highest November AQI recorded in 2019–2025 was 99 (Moderate), in 2021.

Grand Rapids November air quality, year by year

Grand Rapids November air quality by year (Grand Rapids-Wyoming, MI, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest3027069PM2.5
20203029070O3
2021worst3050072PM2.5
20223049099PM2.5
20233046081PM2.5
20243038077PM2.5
20253040073PM2.5

What November air means in Grand Rapids

A typical November day in Grand Rapids 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 November days reached AQI 101+ in 2019–2025.

November's median AQI of 39 is below Grand Rapids's whole-year median of 51, making it one of the area's cleaner periods. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so Grand Rapids runs in line with the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).

November is part of Grand Rapids's fall season (September, October, November); the fall page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Grand Rapids

The latest EPA AirNow observation puts Grand Rapids's AQI at 53 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Grand Rapids air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Grand Rapids-Wyoming, 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.