Kings, California Air Quality
Kings County, California (CA)
↓ Improvingover 10 years
How Kings, California Air Quality Compares
Kings, California's median AQI of 58is 41% worse than the national average of 41. Air quality has improved by 13 AQI points over the past decade. Residents experience an average of 48 unhealthy air days per year, above the national threshold for concern. The primary pollutant of concern is Ground-Level Ozone.
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 | 58 | 95 | 148 | 124 | 213 | 28 | PM2.5 |
| 2022 | 69 | 108 | 187 | 71 | 244 | 50 | Ozone |
| 2021 | 64 | 109 | 685 | 84 | 230 | 51 | PM2.5 |
| 2020 | 70 | 124 | 548 | 76 | 220 | 70 | PM2.5 |
| 2019 | 58 | 105 | 508 | 123 | 201 | 41 | Ozone |
| 2018 | 70 | 114 | 190 | 68 | 239 | 58 | Ozone |
| 2017 | 72 | 125 | 192 | 82 | 212 | 71 | Ozone |
| 2016 | 72 | 115 | 156 | 61 | 231 | 74 | Ozone |
| 2015 | 74 | 119 | 182 | 72 | 223 | 70 | Ozone |
| 2014 | 71 | 126 | 180 | 69 | 219 | 77 | Ozone |
What This Means for Kings County Residents
Kings, California has received an Air Quality Grade of D (45/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 58 falls in the "Moderate" range.
Encouragingly, air quality here has been improving, with the median AQI dropping by 13 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 48 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 California
AQI: 48 · Grade: C
AQI: 36 · Grade: B
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AQI: 40 · Grade: B
AQI: 55 · Grade: C
AQI: 51 · Grade: C
AQI: 32 · Grade: C
AQI: 44 · Grade: C
Frequently Asked Questions
Kings, California has a current median AQI of 58, which falls in the "Moderate" range. The area has received an Air Quality Grade of D (45/100) based on 10 years of EPA monitoring data.
Air quality in Kings, California is improving over the past decade. The median AQI has changed by -13 points from 2014 to 2023.
Kings, California averages 48 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 Kings, California is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Kings County area.
Kings, California averages 48 unhealthy air days per year. With frequent unhealthy air days, asthma patients should use a HEPA air purifier indoors and check AQI before any outdoor activity. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 58 (Moderate), outdoor exercise in Kings, California is safe most days, though sensitive individuals should check daily AQI before intense workouts. Kings, California averages 48 days per year when athletes should move workouts indoors.
this entity is one of the data points covered by this site’s U.S. air quality and pollution monitoring dataset. The detail above comes directly from the EPA Air Quality System (AQS); the context that follows situates the headline numbers against the broader distribution across U.S. counties and states.
The methodology behind every numeric value on this page is publicly documented on the the EPA Air Quality System (AQS) portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. counties and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.