Alamo, North Dakota Air Quality
Alamo has a median AQI of 34, earning an air quality grade of A — excellent air quality that ranks better than 83% 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 2019, Alamo recorded 324 good air quality days (90% of monitored days).
Population: 47 • County: Williams
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Quick Facts
| Current AQI | 19 — Good |
| Air Quality Grade | A |
| Median AQI (2019) | 34 |
| vs. U.S. Cities | Better than 83% |
| 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
2019 Air Quality Summary
Primary Pollutant Days (2019)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Alamo Air Quality
What is the air quality in Alamo today?
The current AQI in Alamo is 19, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Alamo getting better or worse?
Air quality in Alamo has remained relatively stable over the past decade, with a median AQI of around 34.
What is the most common air pollutant in Alamo?
Ozone is the primary air pollutant in Alamo, responsible for the most air quality-impacted days in 2019. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does Alamo have per year?
In 2019, Alamo had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 324 good days and 38 moderate days out of 362 days monitored.
What air quality grade does Alamo receive?
Alamo receives an air quality grade of A, placing it better than 83% of US cities. This grade is based on a median AQI of 34 for 2019, derived from EPA monitoring data.
Air Quality Grade
Better than 83% of US cities
Nearby Cities
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National Rankings
See how Alamo compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Alamo
Based on your area's air quality (median AQI: 34), we recommend these air purifiers to help protect your health indoors.
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