Rio Blanco, Colorado Air Quality
Rio Blanco County, Colorado (CO)
→ Stableover 10 years
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 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
| Year | Median AQI | 90th Pct | Max AQI | Good Days | Moderate | Unhealthy+ | Pollutant |
|---|---|---|---|---|---|---|---|
| 2023 | 47 | 67 | 166 | 247 | 113 | 5 | Ozone |
| 2022 | 47 | 64 | 122 | 243 | 120 | 2 | Ozone |
| 2021 | 48 | 77 | 156 | 212 | 148 | 5 | Ozone |
| 2020 | 45 | 57 | 115 | 263 | 99 | 3 | Ozone |
| 2019 | 47 | 55 | 100 | 252 | 113 | 0 | Ozone |
| 2018 | 47 | 71 | 108 | 215 | 148 | 2 | Ozone |
| 2017 | 46 | 61 | 97 | 237 | 128 | 0 | Ozone |
| 2016 | 44 | 55 | 90 | 271 | 95 | 0 | Ozone |
| 2015 | 46 | 58 | 100 | 249 | 116 | 0 | Ozone |
| 2014 | 45 | 55 | 87 | 264 | 101 | 0 | Ozone |
What This Means for Rio Blanco County Residents
Rio Blanco, Colorado has received an Air Quality Grade of C (60/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 47 falls in the "Good" range.
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. The American Lung Association's State of the Air report provides additional context on long-term health risks from air pollution exposure.
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Frequently Asked Questions
Rio Blanco, Colorado has a current median AQI of 47, which falls in the "Good" range. The area has received an Air Quality Grade of C (60/100) based on 10 years of EPA monitoring data.
Air quality in Rio Blanco, Colorado is stable over the past decade. The median AQI has changed by +2 points from 2014 to 2023.
Rio Blanco, Colorado averages 3 unhealthy air quality days per year over the past 5 years. On these days, sensitive groups including children, the elderly, and those with respiratory conditions should limit outdoor activity.
The primary pollutant affecting Rio Blanco, Colorado is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Rio Blanco County area.
Rio Blanco, Colorado averages 3 unhealthy air days per year. This is relatively low, making it a reasonable choice for asthma sufferers. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 47 (Good), outdoor exercise in Rio Blanco, Colorado is generally safe year-round. Rio Blanco, Colorado averages 3 days per year when athletes should move workouts indoors.