Chevy Chase Section Five, Maryland Air Quality
Chevy Chase Section Five has a median AQI of 41, earning an air quality grade of A- — excellent air quality that ranks better than 50% 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, Chevy Chase Section Five recorded 253 good air quality days (83% of monitored days).
Population: 803 • County: Montgomery
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Quick Facts
| Current AQI | 12 — Good |
| Air Quality Grade | A- |
| Median AQI (2025) | 41 |
| vs. U.S. Cities | Better than 50% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| 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 Chevy Chase Section Five Air Quality
What is the air quality in Chevy Chase Section Five today?
The current AQI in Chevy Chase Section Five is 12, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Chevy Chase Section Five getting better or worse?
Air quality in Chevy Chase Section Five has remained relatively stable over the past decade, with a median AQI of around 41.
What is the most common air pollutant in Chevy Chase Section Five?
Ozone is the primary air pollutant in Chevy Chase Section Five, 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 Chevy Chase Section Five have per year?
In 2025, Chevy Chase Section Five had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 253 good days and 50 moderate days out of 303 days monitored.
What air quality grade does Chevy Chase Section Five receive?
Chevy Chase Section Five receives an air quality grade of A-, placing it better than 50% of US cities. This grade is based on a median AQI of 41 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 50% of US cities
Nearby Cities
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National Rankings
See how Chevy Chase Section Five compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Chevy Chase Section Five
Based on your area's air quality (median AQI: 41), 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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