Power, Montana Air Quality
Power has a median AQI of 14, earning an air quality grade of A+ — excellent air quality that ranks better than 96% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Power recorded 169 good air quality days (98% of monitored days).
Population: 217 • County: Teton
Current AQI
Quick Facts
| Current AQI | 59 — Moderate |
| Air Quality Grade | A+ |
| Median AQI (2025) | 14 |
| vs. U.S. Cities | Better than 96% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | → Stable |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Power is sourced from the Great Falls monitoring area, located approximately 24 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Wildfire smoke is a significant factor in Power's air quality, with regional fires capable of pushing AQI from Good to Unhealthy within hours during fire season (typically July through October). On smoke-impacted days, staying indoors with windows closed and running an air purifier with a HEPA filter is the most effective protection.
AQI Trend (10 Years)
Air Quality Days by Year
Power Median AQI by Year
Annual EPA air quality data for Power — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 14 | 169 | — | 89 | PM2.5 |
| 2024 | 13 | 286 | 1 | 101 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
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 Power Air Quality
What is the air quality in Power today?
The current AQI in Power is 59, rated "Moderate". Air quality is moderate — unusually sensitive individuals may want to limit prolonged outdoor exertion. Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Is air quality in Power getting better or worse?
Air quality in Power has been stable. The median AQI has risen 1 points (from 13 in 2024 to 14 in 2025).
What is the most common air pollutant in Power?
PM2.5 is the primary air pollutant in Power, responsible for 173 days (100% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Power have per year?
In 2025, Power recorded 98% good air quality days (169 days) out of 173 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 89.
What air quality grade does Power receive?
Power receives an air quality grade of A+, placing it better than 96% of US cities. This is based on a median AQI of 14 in 2025, with 169 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 96% of US cities
Nearby Cities
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National Rankings
See how Power compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Power
Power faces elevated PM2.5 from wildfire smoke in addition to year-round traffic and industrial sources. We prioritize True HEPA units with high smoke CADR — essential for rapid air cleaning during smoke events.
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High performance for large rooms with simple operation.
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Other Great Options
Molekule Air Pro
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