Air Quality in Custer, Idaho
6
Median AQI (2024)
152
Max AQI (2024)
↓ improving
10-Year Trend
PM2.5
Primary Pollutant
94
Good Days (2024)
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 |
|---|---|---|---|---|---|---|---|
| 2024 | 6 | 152 | 94 | 9 | 6 | 0 | 109 |
| 2023 | 8 | 60 | 103 | 1 | 0 | 0 | 104 |
| 2022 | 7 | 98 | 98 | 7 | 0 | 0 | 105 |
| 2021 | 8 | 99 | 93 | 17 | 0 | 0 | 110 |
| 2020 | 7 | 126 | 105 | 7 | 3 | 0 | 115 |
| 2019 | 8 | 51 | 95 | 1 | 0 | 0 | 96 |
| 2018 | 7 | 128 | 85 | 3 | 2 | 0 | 90 |
| 2017 | 7 | 142 | 100 | 8 | 3 | 0 | 111 |
| 2016 | 11 | 170 | 103 | 9 | 4 | 0 | 116 |
| 2015 | 8 | 93 | 113 | 4 | 0 | 0 | 117 |
Recent Daily AQI
| Date | AQI | Category | Primary Pollutant |
|---|---|---|---|
| Dec 29, 2024 | 1 | Good | PM2.5 |
| Dec 26, 2024 | 1 | Good | PM2.5 |
| Dec 23, 2024 | 3 | Good | PM2.5 |
| Dec 20, 2024 | 5 | Good | PM2.5 |
| Dec 17, 2024 | 2 | Good | PM2.5 |
| Dec 14, 2024 | 1 | Good | PM2.5 |
| Dec 11, 2024 | 1 | Good | PM2.5 |
| Dec 8, 2024 | 2 | Good | PM2.5 |
| Dec 2, 2024 | 6 | Good | PM2.5 |
| Nov 29, 2024 | 4 | Good | PM2.5 |
| Nov 26, 2024 | 3 | Good | PM2.5 |
| Nov 23, 2024 | 2 | Good | PM2.5 |
| Nov 20, 2024 | 3 | Good | PM2.5 |
| Nov 17, 2024 | 6 | Good | PM2.5 |
| Nov 14, 2024 | 2 | Good | PM2.5 |
| Nov 11, 2024 | 8 | Good | PM2.5 |
| Nov 8, 2024 | 5 | Good | PM2.5 |
| Nov 5, 2024 | 4 | Good | PM2.5 |
| Nov 2, 2024 | 3 | Good | PM2.5 |
| Oct 30, 2024 | 6 | Good | PM2.5 |
| Oct 27, 2024 | 5 | Good | PM2.5 |
| Oct 24, 2024 | 6 | Good | PM2.5 |
| Oct 21, 2024 | 8 | Good | PM2.5 |
| Oct 18, 2024 | 5 | Good | PM2.5 |
| Oct 15, 2024 | 24 | Good | PM2.5 |
| Oct 12, 2024 | 22 | Good | PM2.5 |
| Oct 6, 2024 | 55 | Moderate | PM2.5 |
| Sep 30, 2024 | 32 | Good | PM2.5 |
| Sep 27, 2024 | 13 | Good | PM2.5 |
| Sep 24, 2024 | 10 | Good | PM2.5 |
| Sep 21, 2024 | 20 | Good | PM2.5 |
| Sep 18, 2024 | 14 | Good | PM2.5 |
| Sep 15, 2024 | 23 | Good | PM2.5 |
| Sep 12, 2024 | 36 | Good | PM2.5 |
| Sep 9, 2024 | 99 | Moderate | PM2.5 |
| Sep 6, 2024 | 152 | Unhealthy | PM2.5 |
| Sep 3, 2024 | 99 | Moderate | PM2.5 |
| Aug 25, 2024 | 115 | Unhealthy for Sensitive Groups | PM2.5 |
| Aug 22, 2024 | 67 | Moderate | PM2.5 |
| Aug 19, 2024 | 19 | Good | PM2.5 |
| Aug 16, 2024 | 54 | Moderate | PM2.5 |
| Aug 13, 2024 | 117 | Unhealthy for Sensitive Groups | PM2.5 |
| Aug 10, 2024 | 108 | Unhealthy for Sensitive Groups | PM2.5 |
| Aug 7, 2024 | 138 | Unhealthy for Sensitive Groups | PM2.5 |
| Aug 4, 2024 | 62 | Moderate | PM2.5 |
| Aug 1, 2024 | 60 | Moderate | PM2.5 |
| Jul 29, 2024 | 92 | Moderate | PM2.5 |
| Jul 26, 2024 | 121 | Unhealthy for Sensitive Groups | PM2.5 |
| Jul 14, 2024 | 61 | Moderate | PM2.5 |
| Jul 11, 2024 | 48 | Good | PM2.5 |
| Jul 8, 2024 | 27 | Good | PM2.5 |
| Jul 5, 2024 | 18 | Good | PM2.5 |
| Jul 2, 2024 | 11 | Good | PM2.5 |
| Jun 17, 2024 | 3 | Good | PM2.5 |
| Jun 14, 2024 | 16 | Good | PM2.5 |
| Jun 11, 2024 | 14 | Good | PM2.5 |
| Jun 8, 2024 | 17 | Good | PM2.5 |
| Jun 5, 2024 | 7 | Good | PM2.5 |
| Jun 2, 2024 | 11 | Good | PM2.5 |
| May 30, 2024 | 4 | Good | PM2.5 |
| May 27, 2024 | 8 | Good | PM2.5 |
| May 24, 2024 | 3 | Good | PM2.5 |
| May 21, 2024 | 11 | Good | PM2.5 |
| May 18, 2024 | 12 | Good | PM2.5 |
| May 15, 2024 | 13 | Good | PM2.5 |
| May 12, 2024 | 21 | Good | PM2.5 |
| May 9, 2024 | 5 | Good | PM2.5 |
| May 6, 2024 | 3 | Good | PM2.5 |
| May 3, 2024 | 6 | Good | PM2.5 |
| Apr 30, 2024 | 3 | Good | PM2.5 |
| Apr 27, 2024 | 5 | Good | PM2.5 |
| Apr 21, 2024 | 9 | Good | PM2.5 |
| Apr 18, 2024 | 4 | Good | PM2.5 |
| Apr 15, 2024 | 13 | Good | PM2.5 |
| Apr 12, 2024 | 10 | Good | PM2.5 |
| Apr 9, 2024 | 10 | Good | PM2.5 |
| Apr 6, 2024 | 3 | Good | PM2.5 |
| Apr 3, 2024 | 8 | Good | PM2.5 |
| Mar 31, 2024 | 6 | Good | PM2.5 |
| Mar 28, 2024 | 3 | Good | PM2.5 |
| Mar 25, 2024 | 9 | Good | PM2.5 |
| Mar 22, 2024 | 8 | Good | PM2.5 |
| Mar 19, 2024 | 5 | Good | PM2.5 |
| Mar 16, 2024 | 6 | Good | PM2.5 |
| Mar 13, 2024 | 2 | Good | PM2.5 |
| Mar 10, 2024 | 6 | Good | PM2.5 |
| Mar 7, 2024 | 5 | Good | PM2.5 |
| Mar 4, 2024 | 1 | Good | PM2.5 |
| Mar 1, 2024 | 2 | Good | PM2.5 |
| Feb 27, 2024 | 3 | Good | PM2.5 |
Monitoring Stations
Sawtooth NF
Frequently Asked Questions
What is the air quality in Custer, Idaho?
Based on EPA data from 2024, Custer has a median Air Quality Index (AQI) of 6, which is classified as "Good." The primary pollutant is PM2.5. Over the past 10 years, air quality has been improving.
Is Custer a good place to live for air quality?
Custer has a 10-year average median AQI of 7. In 2024, there were 94 days with "Good" air quality and 6 days with unhealthy conditions. No special precautions are needed for most people.
What pollutants affect Custer the most?
The primary pollutant driving the AQI in Custer is PM2.5. 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 Custer?
There are 1 active EPA monitoring stations in Custer, Idaho. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.