Milton, Kansas Air Quality
Milton has a median AQI of 43, earning an air quality grade of A- — excellent air quality that ranks better than 39% of US cities. Air quality has been trending worse over the past decade, a concern for local residents and health officials. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Milton recorded 122 good air quality days (67% of monitored days) and 2 unhealthy days.
Population: 185 • County: Sumner
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Quick Facts
| Current AQI | 12 — Good |
| Air Quality Grade | A- |
| Median AQI (2025) | 43 |
| vs. U.S. Cities | Better than 39% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 2 |
| 10-Year Trend | ↓ Worsening |
| Data Source | EPA AirNow |
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 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
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 Milton Air Quality
What is the air quality in Milton today?
The current AQI in Milton is 12, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Milton getting better or worse?
Air quality in Milton has been worsening in recent years. The median AQI rose from 38 in 2016 to 43 in 2025.
What is the most common air pollutant in Milton?
PM2.5 is the primary air pollutant in Milton, responsible for the most air quality-impacted days in 2025. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Milton have per year?
In 2025, Milton had 2 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 122 good days and 56 moderate days out of 181 days monitored.
What air quality grade does Milton receive?
Milton receives an air quality grade of A-, placing it better than 39% of US cities. This grade is based on a median AQI of 43 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 39% of US cities
Nearby Cities
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National Rankings
See how Milton compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Milton
Based on your area's air quality (median AQI: 43), we recommend these air purifiers to help protect your health indoors.
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
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Other Great Options
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
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Read our complete buying guide →