Clearmont, Wyoming Air Quality
Clearmont has a median AQI of 33, earning an air quality grade of A — excellent air quality that ranks better than 85% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Clearmont recorded 148 good air quality days (85% of monitored days).
Population: 104 • County: Sheridan
Current AQI
Quick Facts
| Current AQI | 22 — Good |
| Air Quality Grade | A |
| Median AQI (2025) | 33 |
| vs. U.S. Cities | Better than 85% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AQS (historical) · AirNow (live) |
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 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Clearmont is sourced from the Sheridan PD monitoring area, located approximately 31 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Clearmont typically sees its worst air quality during summer afternoons when heat and sunlight drive ground-level ozone formation from vehicle and industrial emissions. Morning readings are generally 15–25 points lower than afternoon peaks. Outdoor activity is best planned for early morning on high-ozone days.
AQI Trend (10 Years)
Air Quality Days by Year
Clearmont Median AQI by Year
Annual EPA air quality data for Clearmont — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 33 | 148 | — | 70 | PM2.5 |
| 2024 | 44 | 281 | 16 | 205 | Ozone |
| 2023 | 43 | 283 | 3 | 175 | Ozone |
| 2022 | 44 | 270 | — | 90 | Ozone |
| 2021 | 40 | 302 | 7 | 115 | Ozone |
| 2020 | 40 | 334 | — | 100 | Ozone |
| 2019 | 39 | 315 | — | 90 | Ozone |
| 2018 | 46 | 241 | 3 | 123 | Ozone |
| 2017 | 43 | 250 | 4 | 157 | Ozone |
| 2016 | 39 | 326 | 1 | 110 | Ozone |
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 Clearmont Air Quality
What is the air quality in Clearmont today?
The current AQI in Clearmont is 22, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Clearmont getting better or worse?
Air quality in Clearmont has been improving. The median AQI has dropped 6 points (from 39 in 2016 to 33 in 2025), a positive trend for residents.
What is the most common air pollutant in Clearmont?
PM2.5 is the primary air pollutant in Clearmont, responsible for 123 days (70% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Clearmont have per year?
In 2025, Clearmont recorded 85% good air quality days (148 days) out of 175 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 70.
What air quality grade does Clearmont receive?
Clearmont receives an air quality grade of A, placing it better than 85% of US cities. This is based on a median AQI of 33 in 2025, with 148 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 85% of US cities
Nearby Cities
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National Rankings
See how Clearmont compares to every other US city by air quality.
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