Sutter, California Air Quality
Sutter County, California (CA)
↓ Improvingover 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). This area has seen measurable air quality improvement over the 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 | 49 | 69 | 105 | 192 | 168 | 3 | Ozone |
| 2022 | 52 | 81 | 119 | 154 | 205 | 5 | PM2.5 |
| 2021 | 59 | 90 | 175 | 102 | 240 | 22 | PM2.5 |
| 2020 | 53 | 90 | 356 | 162 | 173 | 31 | PM2.5 |
| 2019 | 48 | 71 | 110 | 200 | 163 | 2 | Ozone |
| 2018 | 58 | 100 | 420 | 94 | 236 | 35 | PM2.5 |
| 2017 | 56 | 84 | 130 | 128 | 228 | 9 | PM2.5 |
| 2016 | 58 | 97 | 147 | 115 | 219 | 32 | PM2.5 |
| 2015 | 54 | 86 | 119 | 157 | 200 | 8 | Ozone |
| 2014 | 55 | 84 | 156 | 132 | 220 | 13 | PM2.5 |
What This Means for Sutter County Residents
Sutter, California has received an Air Quality Grade of C (57/100) based on a decade of EPA monitoring data. The current median AQI of 49 falls in the "Good" range.
Encouragingly, air quality here has been improving, with the median AQI dropping by 6 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.
The primary pollutant affecting this area is Fine Particulate Matter (PM2.5). Over the past 5 years, this area has averaged 13 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.