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AirHistory

Chaffee, Colorado Air Quality

Chaffee County, Colorado (CO)

Worseningover 10 years

C
Air Quality Grade
50/100
58
Current Median AQI
Moderate
53
5-Year Avg AQI
+11
10-Year Change
Worse
3
Unhealthy Days/yr
5-year average
Ozone
Primary Pollutant
Ground-Level Ozone

10-Year AQI Trend

The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days). Air quality in this area has been declining over the past decade.

Air Quality Day Breakdown

Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).

Year-by-Year Data

YearMedian AQI90th PctMax AQIGood DaysModerateUnhealthy+Pollutant
2023588711566964Ozone
2022496711998571Ozone
2021589311947596Ozone
2020508410137293Ozone
2019507710880631Ozone
2018588716167916Ozone
201735404414400Ozone
2016477110597513Ozone
2015476410865341Ozone
20144777100103470Ozone

What This Means for Chaffee County Residents

Chaffee, Colorado has received an Air Quality Grade of C (50/100) based on a decade of EPA monitoring data. The current median AQI of 58 falls in the "Moderate" range.

Concerning trends show air quality has been declining, with the median AQI rising by 11 points over the monitoring period. This could be driven by increased development, wildfire smoke, or industrial activity.

The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 3 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.