Shumway, Illinois Air Quality
Shumway has a median AQI of 35, earning an air quality grade of A — excellent air quality that ranks better than 82% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Ground-level ozone is the primary concern, typically peaking on warm sunny days due to vehicle and industrial emissions. In 2025, Shumway recorded 202 good air quality days (96% of monitored days).
Population: 260 • County: Effingham
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Quick Facts
| Current AQI | 13 — Good |
| Air Quality Grade | A |
| Median AQI (2025) | 35 |
| vs. U.S. Cities | Better than 82% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| 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 Shumway Air Quality
What is the air quality in Shumway today?
The current AQI in Shumway is 13, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Shumway getting better or worse?
Air quality in Shumway has been improving over the past decade. The median AQI dropped from 39 in 2016 to 35 in 2025.
What is the most common air pollutant in Shumway?
Ozone is the primary air pollutant in Shumway, responsible for the most air quality-impacted days in 2025. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does Shumway have per year?
In 2025, Shumway had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 202 good days and 9 moderate days out of 211 days monitored.
What air quality grade does Shumway receive?
Shumway receives an air quality grade of A, placing it better than 82% of US cities. This grade is based on a median AQI of 35 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 82% of US cities
Nearby Cities
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National Rankings
See how Shumway compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Shumway
Based on your area's air quality (median AQI: 35), we recommend these air purifiers to help protect your health indoors.
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