Cusick, Washington Air Quality
Cusick has a median AQI of 26, earning an air quality grade of A+ — excellent air quality that ranks better than 93% 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 2022, Cusick recorded 207 good air quality days (88% of monitored days).
Population: 133 • County: Pend Oreille
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Quick Facts
| Current AQI | 38 — Good |
| Air Quality Grade | A+ |
| Median AQI (2022) | 26 |
| vs. U.S. Cities | Better than 93% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| 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
2022 Air Quality Summary
Primary Pollutant Days (2022)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Cusick Air Quality
What is the air quality in Cusick today?
The current AQI in Cusick is 38, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Cusick getting better or worse?
Air quality in Cusick has been improving over the past decade. The median AQI dropped from 47 in 2020 to 26 in 2022.
What is the most common air pollutant in Cusick?
PM2.5 is the primary air pollutant in Cusick, responsible for the most air quality-impacted days in 2022. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Cusick have per year?
In 2022, Cusick had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 207 good days and 27 moderate days out of 234 days monitored.
What air quality grade does Cusick receive?
Cusick receives an air quality grade of A+, placing it better than 93% of US cities. This grade is based on a median AQI of 26 for 2022, derived from EPA monitoring data.
Air Quality Grade
Better than 93% of US cities
Nearby Cities
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National Rankings
See how Cusick compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Cusick
Based on your area's air quality (median AQI: 26), 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
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