Catano, Puerto Rico Air Quality
Catano County, Puerto Rico (PR)
↑ Worseningover 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 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
| Year | Median AQI | 90th Pct | Max AQI | Good Days | Moderate | Unhealthy+ | Pollutant |
|---|---|---|---|---|---|---|---|
| 2023 | 52 | 91 | 155 | 96 | 101 | 12 | PM2.5 |
| 2022 | 35 | 64 | 86 | 228 | 81 | 0 | PM2.5 |
| 2021 | 50 | 80 | 151 | 151 | 136 | 13 | PM2.5 |
| 2020 | 28 | 64 | 332 | 207 | 52 | 12 | Ozone |
| 2019 | 45 | 89 | 173 | 194 | 142 | 11 | PM2.5 |
| 2018 | 47 | 63 | 116 | 158 | 126 | 2 | PM2.5 |
| 2017 | 33 | 60 | 116 | 190 | 61 | 2 | PM2.5 |
| 2016 | 24 | 44 | 203 | 339 | 25 | 2 | PM2.5 |
| 2015 | 19 | 46 | 139 | 337 | 27 | 1 | PM10 |
| 2014 | 17 | 38 | 71 | 346 | 19 | 0 | PM10 |
What This Means for Catano County Residents
Catano, Puerto Rico has received an Air Quality Grade of D (44/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 52 falls in the "Moderate" range.
Concerning trends show air quality has been declining, with the median AQI rising by 35 points over the monitoring period. This could be driven by increased development, wildfire smoke, or industrial activity.
The primary pollutant affecting this area is Fine Particulate Matter (PM2.5). Over the past 5 years, this area has averaged 10 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.
Related Cities in Puerto Rico
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Frequently Asked Questions
Catano, Puerto Rico has a current median AQI of 52, which falls in the "Moderate" range. The area has received an Air Quality Grade of D (44/100) based on 10 years of EPA monitoring data.
Air quality in Catano, Puerto Rico is worsening over the past decade. The median AQI has changed by +35 points from 2014 to 2023.
Catano, Puerto Rico averages 10 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 Catano, Puerto Rico is Fine Particulate Matter (PM2.5). This is the dominant contributor to elevated AQI readings in the Catano County area.
Catano, Puerto Rico averages 10 unhealthy air days per year. Asthma patients should monitor daily AQI readings and limit outdoor activity when AQI exceeds 100. The primary pollutant is Fine Particulate Matter (PM2.5), which is a known asthma trigger.
With a median AQI of 52 (Moderate), outdoor exercise in Catano, Puerto Rico is safe most days, though sensitive individuals should check daily AQI before intense workouts. Catano, Puerto Rico averages 10 days per year when athletes should move workouts indoors.