Keokuk, Iowa Air Quality
Keokuk has a median AQI of 47, earning an air quality grade of B+ — good air quality that ranks better than 34% 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 2023, Keokuk recorded 36 good air quality days (60% of monitored days).
Population: 9,662 • County: Lee
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Quick Facts
| Current AQI | 14 — Good |
| Air Quality Grade | B+ |
| Median AQI (2023) | 47 |
| vs. U.S. Cities | Better than 34% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 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
2023 Air Quality Summary
Primary Pollutant Days (2023)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Keokuk Air Quality
What is the air quality in Keokuk today?
The current AQI in Keokuk is 14, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Keokuk getting better or worse?
Air quality in Keokuk has been worsening in recent years. The median AQI rose from 42 in 2016 to 47 in 2023.
What is the most common air pollutant in Keokuk?
PM2.5 is the primary air pollutant in Keokuk, responsible for the most air quality-impacted days in 2023. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Keokuk have per year?
In 2023, Keokuk had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 36 good days and 24 moderate days out of 60 days monitored.
What air quality grade does Keokuk receive?
Keokuk receives an air quality grade of B+, placing it better than 34% of US cities. This grade is based on a median AQI of 47 for 2023, derived from EPA monitoring data.
Air Quality Grade
Better than 34% of US cities
Nearby Cities
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National Rankings
See how Keokuk compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Keokuk
Based on your area's air quality (median AQI: 47), we recommend these air purifiers to help protect your health indoors.
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Molekule Air Pro
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Blueair Blue Pure 211+
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Dyson Pure Cool TP04
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