Slater, Wyoming Air Quality
Slater 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 (PM10) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Slater recorded 157 good air quality days (88% of monitored days) and 5 unhealthy days.
Population: 99 • County: Platte
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Quick Facts
| Current AQI | 6 — Good |
| Air Quality Grade | A+ |
| Median AQI (2025) | 14 |
| vs. U.S. Cities | Better than 96% |
| Primary Pollutant | PM10 |
| Unhealthy Days/Year | 5 |
| 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 Slater Air Quality
What is the air quality in Slater today?
The current AQI in Slater is 6, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Slater getting better or worse?
Air quality in Slater has remained relatively stable over the past decade, with a median AQI of around 14.
What is the most common air pollutant in Slater?
PM10 is the primary air pollutant in Slater, responsible for the most air quality-impacted days in 2025. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Slater have per year?
In 2025, Slater had 5 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 157 good days and 14 moderate days out of 179 days monitored.
What air quality grade does Slater receive?
Slater receives an air quality grade of A+, placing it better than 96% of US cities. This grade is based on a median AQI of 14 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 96% of US cities
Nearby Cities
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National Rankings
See how Slater compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Slater
Based on your area's air quality (median AQI: 14), we recommend these air purifiers to help protect your health indoors.
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
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Other Great Options
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
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Read our complete buying guide →