Air Quality in Delta, Colorado
44
Median AQI (2022)
80
Max AQI (2022)
↑ worsening
10-Year Trend
Ozone
Primary Pollutant
125
Good Days (2022)
1
Monitoring Stations
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 |
|---|---|---|---|---|---|---|---|
| 2022 | 44 | 80 | 125 | 18 | 0 | 137 | 2 |
| 2021 | 43 | 141 | 294 | 69 | 2 | 319 | 39 |
| 2020 | 41 | 97 | 312 | 53 | 0 | 304 | 61 |
| 2019 | 41 | 80 | 338 | 27 | 0 | 340 | 25 |
| 2018 | 36 | 85 | 264 | 33 | 0 | 199 | 58 |
| 2017 | 19 | 52 | 114 | 1 | 0 | 0 | 0 |
| 2016 | 16 | 64 | 117 | 2 | 0 | 0 | 0 |
| 2015 | 16 | 51 | 113 | 1 | 0 | 0 | 0 |
Recent Daily AQI
| Date | AQI | Category | Primary Pollutant |
|---|---|---|---|
| May 23, 2022 | 58 | Moderate | Ozone |
| May 22, 2022 | 48 | Good | Ozone |
| May 21, 2022 | 61 | Moderate | Ozone |
| May 20, 2022 | 46 | Good | Ozone |
| May 19, 2022 | 47 | Good | Ozone |
| May 18, 2022 | 47 | Good | Ozone |
| May 17, 2022 | 48 | Good | Ozone |
| May 16, 2022 | 47 | Good | Ozone |
| May 15, 2022 | 43 | Good | Ozone |
| May 14, 2022 | 45 | Good | Ozone |
| May 13, 2022 | 48 | Good | Ozone |
| May 12, 2022 | 58 | Moderate | Ozone |
| May 11, 2022 | 50 | Good | Ozone |
| May 10, 2022 | 45 | Good | Ozone |
| May 9, 2022 | 63 | Moderate | PM10 |
| May 8, 2022 | 56 | Moderate | PM10 |
| May 7, 2022 | 48 | Good | Ozone |
| May 6, 2022 | 47 | Good | Ozone |
| May 5, 2022 | 49 | Good | Ozone |
| May 4, 2022 | 50 | Good | Ozone |
| May 3, 2022 | 61 | Moderate | Ozone |
| May 2, 2022 | 54 | Moderate | Ozone |
| May 1, 2022 | 64 | Moderate | Ozone |
| Apr 30, 2022 | 67 | Moderate | Ozone |
| Apr 29, 2022 | 71 | Moderate | Ozone |
| Apr 28, 2022 | 61 | Moderate | Ozone |
| Apr 27, 2022 | 67 | Moderate | Ozone |
| Apr 26, 2022 | 80 | Moderate | Ozone |
| Apr 25, 2022 | 47 | Good | Ozone |
| Apr 24, 2022 | 44 | Good | Ozone |
| Apr 23, 2022 | 46 | Good | Ozone |
| Apr 22, 2022 | 46 | Good | Ozone |
| Apr 21, 2022 | 58 | Moderate | Ozone |
| Apr 20, 2022 | 58 | Moderate | PM2.5 |
| Apr 19, 2022 | 44 | Good | Ozone |
| Apr 18, 2022 | 48 | Good | Ozone |
| Apr 17, 2022 | 43 | Good | Ozone |
| Apr 16, 2022 | 44 | Good | Ozone |
| Apr 15, 2022 | 47 | Good | Ozone |
| Apr 14, 2022 | 46 | Good | Ozone |
| Apr 13, 2022 | 45 | Good | Ozone |
| Apr 12, 2022 | 44 | Good | Ozone |
| Apr 11, 2022 | 56 | Moderate | PM10 |
| Apr 10, 2022 | 49 | Good | Ozone |
| Apr 9, 2022 | 42 | Good | Ozone |
| Apr 8, 2022 | 44 | Good | Ozone |
| Apr 7, 2022 | 47 | Good | Ozone |
| Apr 6, 2022 | 47 | Good | Ozone |
| Apr 5, 2022 | 51 | Moderate | Ozone |
| Apr 4, 2022 | 46 | Good | Ozone |
| Apr 3, 2022 | 44 | Good | Ozone |
| Apr 2, 2022 | 46 | Good | Ozone |
| Apr 1, 2022 | 46 | Good | Ozone |
| Mar 31, 2022 | 44 | Good | Ozone |
| Mar 30, 2022 | 44 | Good | Ozone |
| Mar 29, 2022 | 40 | Good | Ozone |
| Mar 28, 2022 | 46 | Good | Ozone |
| Mar 27, 2022 | 53 | Moderate | PM2.5 |
| Mar 26, 2022 | 40 | Good | Ozone |
| Mar 25, 2022 | 44 | Good | Ozone |
| Mar 24, 2022 | 44 | Good | Ozone |
| Mar 23, 2022 | 45 | Good | Ozone |
| Mar 22, 2022 | 45 | Good | Ozone |
| Mar 21, 2022 | 47 | Good | Ozone |
| Mar 20, 2022 | 47 | Good | Ozone |
| Mar 19, 2022 | 47 | Good | Ozone |
| Mar 18, 2022 | 47 | Good | Ozone |
| Mar 17, 2022 | 43 | Good | Ozone |
| Mar 16, 2022 | 42 | Good | Ozone |
| Mar 15, 2022 | 47 | Good | Ozone |
| Mar 14, 2022 | 45 | Good | Ozone |
| Mar 13, 2022 | 42 | Good | Ozone |
| Mar 12, 2022 | 45 | Good | Ozone |
| Mar 11, 2022 | 46 | Good | Ozone |
| Mar 10, 2022 | 44 | Good | Ozone |
| Mar 9, 2022 | 42 | Good | Ozone |
| Mar 8, 2022 | 44 | Good | Ozone |
| Mar 7, 2022 | 44 | Good | Ozone |
| Mar 6, 2022 | 41 | Good | Ozone |
| Mar 5, 2022 | 40 | Good | Ozone |
| Mar 4, 2022 | 44 | Good | Ozone |
| Mar 3, 2022 | 44 | Good | Ozone |
| Mar 2, 2022 | 41 | Good | Ozone |
| Mar 1, 2022 | 5 | Good | PM10 |
| Feb 28, 2022 | 44 | Good | Ozone |
| Feb 27, 2022 | 44 | Good | Ozone |
| Feb 26, 2022 | 43 | Good | Ozone |
| Feb 25, 2022 | 44 | Good | Ozone |
| Feb 24, 2022 | 44 | Good | Ozone |
| Feb 23, 2022 | 43 | Good | Ozone |
Monitoring Stations
DELTA HEALTH DEPT
Frequently Asked Questions
What is the air quality in Delta, Colorado?
Based on EPA data from 2022, Delta has a median Air Quality Index (AQI) of 44, which is classified as "Good." The primary pollutant is Ozone. Over the past 10 years, air quality has been worsening.
Is Delta a good place to live for air quality?
Delta has a 10-year average median AQI of 32. In 2022, there were 125 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.
What pollutants affect Delta the most?
The primary pollutant driving the AQI in Delta is Ozone. This is monitored by 1 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 Delta?
There are 1 active EPA monitoring stations in Delta, Colorado. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.