Bell, Texas Air Quality
Bell County, Texas (TX)
↑ 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 | 44 | 74 | 133 | 231 | 128 | 6 | Ozone |
| 2022 | 46 | 73 | 129 | 241 | 121 | 3 | Ozone |
| 2021 | 44 | 69 | 122 | 240 | 122 | 3 | Ozone |
| 2020 | 44 | 63 | 135 | 236 | 129 | 1 | Ozone |
| 2019 | 45 | 62 | 105 | 237 | 126 | 2 | Ozone |
| 2018 | 36 | 54 | 136 | 320 | 40 | 5 | Ozone |
| 2017 | 40 | 64 | 133 | 303 | 57 | 5 | Ozone |
| 2016 | 38 | 50 | 100 | 331 | 34 | 0 | Ozone |
| 2015 | 36 | 61 | 133 | 309 | 51 | 5 | Ozone |
| 2014 | 39 | 64 | 112 | 305 | 57 | 2 | Ozone |
What This Means for Bell County Residents
Bell, Texas has received an Air Quality Grade of C (55/100) based on a decade of EPA monitoring data. The current median AQI of 44 falls in the "Good" range.
Concerning trends show air quality has been declining, with the median AQI rising by 5 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.