Brewster, Texas Air Quality
Brewster County, Texas (TX)
→ 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 | 43 | 58 | 101 | 262 | 96 | 1 | Ozone |
| 2022 | 42 | 58 | 87 | 266 | 91 | 0 | Ozone |
| 2021 | 42 | 57 | 105 | 287 | 68 | 1 | Ozone |
| 2020 | 41 | 52 | 80 | 314 | 46 | 0 | Ozone |
| 2019 | 42 | 57 | 93 | 278 | 84 | 0 | Ozone |
| 2018 | 40 | 58 | 97 | 274 | 89 | 0 | Ozone |
| 2017 | 42 | 56 | 100 | 286 | 76 | 0 | Ozone |
| 2016 | 41 | 55 | 84 | 297 | 62 | 0 | Ozone |
| 2015 | 42 | 58 | 87 | 264 | 94 | 0 | Ozone |
| 2014 | 42 | 56 | 84 | 291 | 71 | 0 | Ozone |
What This Means for Brewster County Residents
Brewster, Texas has received an Air Quality Grade of C (64/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 43 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 0 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 Texas
Frequently Asked Questions
Brewster, Texas has a current median AQI of 43, which falls in the "Good" range. The area has received an Air Quality Grade of C (64/100) based on 10 years of EPA monitoring data.
Air quality in Brewster, Texas is stable over the past decade. The median AQI has changed by +1 points from 2014 to 2023.
Brewster, Texas averages 0 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 Brewster, Texas is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Brewster County area.
Brewster, Texas averages 0 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 43 (Good), outdoor exercise in Brewster, Texas is generally safe year-round. Brewster, Texas averages 0 days per year when athletes should move workouts indoors.