Mindoro, Wisconsin Air Quality
Mindoro has a median AQI of 40, earning an air quality grade of A — excellent air quality that ranks better than 60% of US cities. Air quality has remained relatively stable over the past decade. Ground-level ozone is the primary concern, typically peaking on warm sunny days due to vehicle and industrial emissions. In 2025, Mindoro recorded 81 good air quality days (88% of monitored days).
Population: 225 • County: La Crosse
Current AQI
Quick Facts
| Current AQI | 18 — Good |
| Air Quality Grade | A |
| Median AQI (2025) | 40 |
| vs. U.S. Cities | Better than 60% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Mindoro is sourced from the Ho-Chunk Nation-Black River Falls monitoring area, located approximately 27 miles from city center. This EPA-certified station continuously tracks ground-level ozone, the primary driver of air quality alerts in this area.
Mindoro tends to see elevated PM2.5 readings during fall and winter months when temperature inversions trap pollutants near the surface. Wood burning, vehicle exhaust, and reduced wind speeds compound the effect. Residents with respiratory conditions should monitor forecasts closely between November and February.
AQI Trend (10 Years)
Air Quality Days by Year
Mindoro Median AQI by Year
Annual EPA air quality data for Mindoro — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 40 | 81 | — | 90 | Ozone |
| 2024 | 37 | 197 | — | 67 | Ozone |
| 2023 | 45 | 199 | 10 | 181 | PM2.5 |
| 2022 | 41 | 271 | — | 85 | PM2.5 |
| 2021 | 43 | 240 | 1 | 110 | PM2.5 |
| 2020 | 42 | 255 | — | 93 | PM2.5 |
| 2019 | 39 | 274 | — | 85 | PM2.5 |
| 2018 | 43 | 256 | — | 97 | PM2.5 |
| 2017 | 41 | 268 | — | 87 | PM2.5 |
| 2016 | 37 | 288 | — | 87 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Mindoro Air Quality
What is the air quality in Mindoro today?
The current AQI in Mindoro is 18, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Mindoro getting better or worse?
Air quality in Mindoro has been stable. The median AQI has risen 3 points (from 37 in 2016 to 40 in 2025).
What is the most common air pollutant in Mindoro?
Ozone is the primary air pollutant in Mindoro, responsible for 92 days (100% of monitored days) in 2025. Ground-level ozone forms when sunlight reacts with emissions from vehicles and industry, typically peaking on hot summer afternoons.
How many unhealthy air days does Mindoro have per year?
In 2025, Mindoro recorded 88% good air quality days (81 days) out of 92 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 90.
What air quality grade does Mindoro receive?
Mindoro receives an air quality grade of A, placing it better than 60% of US cities. This is based on a median AQI of 40 in 2025, with 81 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 60% of US cities
Nearby Cities
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National Rankings
See how Mindoro compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Mindoro
Ozone is Mindoro's primary pollutant. Standard HEPA filters don't capture ozone molecules — you need activated carbon or PECO technology to chemically break them down. We highlight those units here.
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