Centerville, Montana Air Quality
Centerville has a median AQI of 46, earning an air quality grade of B+ — good air quality that ranks better than 25% 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 2024, Centerville recorded 52 good air quality days (60% of monitored days).
Population: 23 • County: Cascade
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Quick Facts
| Current AQI | 44 — Good |
| Air Quality Grade | B+ |
| Median AQI (2024) | 46 |
| vs. U.S. Cities | Better than 25% |
| 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
2024 Air Quality Summary
Primary Pollutant Days (2024)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Centerville Air Quality
What is the air quality in Centerville today?
The current AQI in Centerville is 44, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Centerville getting better or worse?
Air quality in Centerville has been worsening in recent years. The median AQI rose from 33 in 2016 to 46 in 2024.
What is the most common air pollutant in Centerville?
PM2.5 is the primary air pollutant in Centerville, responsible for the most air quality-impacted days in 2024. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Centerville have per year?
In 2024, Centerville had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 52 good days and 35 moderate days out of 87 days monitored.
What air quality grade does Centerville receive?
Centerville receives an air quality grade of B+, placing it better than 25% of US cities. This grade is based on a median AQI of 46 for 2024, derived from EPA monitoring data.
Air Quality Grade
Better than 25% of US cities
Nearby Cities
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National Rankings
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Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Centerville
Based on your area's air quality (median AQI: 46), we recommend these air purifiers to help protect your health indoors.
RabbitAir MinusA2
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Other Great Options
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
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