Air Quality in Winchester City, Virginia
AQI Trend (Median)
Air Quality Days by Category
Annual Summary
| Year | Median AQI | Max AQI | Good Days | Moderate Days | Unhealthy Days | Ozone Days | PM2.5 Days |
|---|---|---|---|---|---|---|---|
| 2020 | 6 | 18 | 58 | 0 | 0 | 0 | 0 |
| 2019 | 8 | 24 | 57 | 0 | 0 | 0 | 0 |
| 2018 | 8 | 20 | 60 | 0 | 0 | 0 | 0 |
| 2017 | 11 | 19 | 59 | 0 | 0 | 0 | 0 |
| 2016 | 10 | 25 | 59 | 0 | 0 | 0 | 0 |
| 2015 | 11 | 31 | 59 | 0 | 0 | 0 | 0 |
Recent Daily AQI
| Date | AQI | Category | Primary Pollutant |
|---|---|---|---|
| Dec 29, 2020 | 6 | Good | PM10 |
| Dec 23, 2020 | 6 | Good | PM10 |
| Dec 17, 2020 | 6 | Good | PM10 |
| Dec 11, 2020 | 17 | Good | PM10 |
| Dec 5, 2020 | 5 | Good | PM10 |
| Nov 29, 2020 | 8 | Good | PM10 |
| Nov 23, 2020 | 4 | Good | PM10 |
| Nov 17, 2020 | 1 | Good | PM10 |
| Nov 11, 2020 | 6 | Good | PM10 |
| Nov 5, 2020 | 10 | Good | PM10 |
| Oct 30, 2020 | 0 | Good | PM10 |
| Oct 24, 2020 | 6 | Good | PM10 |
| Oct 18, 2020 | 6 | Good | PM10 |
| Oct 12, 2020 | 2 | Good | PM10 |
| Oct 6, 2020 | 8 | Good | PM10 |
| Sep 30, 2020 | 4 | Good | PM10 |
| Sep 24, 2020 | 18 | Good | PM10 |
| Sep 18, 2020 | 15 | Good | PM10 |
| Sep 12, 2020 | 14 | Good | PM10 |
| Sep 6, 2020 | 6 | Good | PM10 |
| Aug 31, 2020 | 8 | Good | PM10 |
| Aug 25, 2020 | 11 | Good | PM10 |
| Aug 19, 2020 | 8 | Good | PM10 |
| Aug 13, 2020 | 9 | Good | PM10 |
| Aug 7, 2020 | 8 | Good | PM10 |
| Aug 1, 2020 | 9 | Good | PM10 |
| Jul 26, 2020 | 14 | Good | PM10 |
| Jul 20, 2020 | 11 | Good | PM10 |
| Jul 14, 2020 | 7 | Good | PM10 |
| Jul 8, 2020 | 9 | Good | PM10 |
| Jul 2, 2020 | 12 | Good | PM10 |
| Jun 26, 2020 | 9 | Good | PM10 |
| Jun 14, 2020 | 7 | Good | PM10 |
| Jun 8, 2020 | 7 | Good | PM10 |
| Jun 2, 2020 | 7 | Good | PM10 |
| May 27, 2020 | 5 | Good | PM10 |
| May 21, 2020 | 11 | Good | PM10 |
| May 15, 2020 | 8 | Good | PM10 |
| May 9, 2020 | 4 | Good | PM10 |
| May 3, 2020 | 6 | Good | PM10 |
| Apr 27, 2020 | 4 | Good | PM10 |
| Apr 21, 2020 | 6 | Good | PM10 |
| Apr 15, 2020 | 6 | Good | PM10 |
| Apr 9, 2020 | 5 | Good | PM10 |
| Apr 3, 2020 | 4 | Good | PM10 |
| Mar 16, 2020 | 7 | Good | PM10 |
| Mar 10, 2020 | 6 | Good | PM10 |
| Mar 4, 2020 | 3 | Good | PM10 |
| Feb 27, 2020 | 2 | Good | PM10 |
| Feb 21, 2020 | 6 | Good | PM10 |
| Feb 15, 2020 | 6 | Good | PM10 |
| Feb 9, 2020 | 5 | Good | PM10 |
| Feb 3, 2020 | 7 | Good | PM10 |
| Jan 28, 2020 | 6 | Good | PM10 |
| Jan 22, 2020 | 10 | Good | PM10 |
| Jan 16, 2020 | 4 | Good | PM10 |
| Jan 10, 2020 | 10 | Good | PM10 |
| Jan 4, 2020 | 6 | Good | PM10 |
| Dec 29, 2019 | 17 | Good | PM10 |
| Dec 23, 2019 | 24 | Good | PM10 |
| Dec 17, 2019 | 4 | Good | PM10 |
| Dec 11, 2019 | 4 | Good | PM10 |
| Dec 5, 2019 | 5 | Good | PM10 |
| Nov 29, 2019 | 5 | Good | PM10 |
| Nov 23, 2019 | 5 | Good | PM10 |
| Nov 17, 2019 | 7 | Good | PM10 |
| Nov 11, 2019 | 11 | Good | PM10 |
| Nov 5, 2019 | 8 | Good | PM10 |
| Oct 30, 2019 | 9 | Good | PM10 |
| Oct 24, 2019 | 8 | Good | PM10 |
| Oct 18, 2019 | 6 | Good | PM10 |
| Oct 12, 2019 | 6 | Good | PM10 |
| Oct 6, 2019 | 8 | Good | PM10 |
| Sep 30, 2019 | 14 | Good | PM10 |
| Sep 18, 2019 | 10 | Good | PM10 |
| Sep 12, 2019 | 14 | Good | PM10 |
| Sep 6, 2019 | 8 | Good | PM10 |
| Aug 31, 2019 | 12 | Good | PM10 |
| Aug 25, 2019 | 8 | Good | PM10 |
| Aug 19, 2019 | 10 | Good | PM10 |
| Aug 13, 2019 | 12 | Good | PM10 |
| Aug 1, 2019 | 12 | Good | PM10 |
| Jul 26, 2019 | 13 | Good | PM10 |
| Jul 20, 2019 | 16 | Good | PM10 |
| Jul 14, 2019 | 11 | Good | PM10 |
| Jul 8, 2019 | 8 | Good | PM10 |
| Jul 2, 2019 | 12 | Good | PM10 |
| Jun 26, 2019 | 10 | Good | PM10 |
| Jun 20, 2019 | 7 | Good | PM10 |
| Jun 14, 2019 | 6 | Good | PM10 |
Frequently Asked Questions
What is the air quality in Winchester City, Virginia?
Based on EPA data from 2020, Winchester City has a median Air Quality Index (AQI) of 6, which is classified as "Good." The primary pollutant is PM10. Over the past 10 years, air quality has been improving.
Is Winchester City a good place to live for air quality?
Winchester City has a 10-year average median AQI of 9. In 2020, there were 58 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.
What pollutants affect Winchester City the most?
The primary pollutant driving the AQI in Winchester City is PM10. This is monitored by 0 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.
How many air quality monitoring stations are in Winchester City?
There are 0 active EPA monitoring stations in Winchester City, Virginia. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.