『Phoenix Air Quality Remains in Good Category with AQI of 20-34』のカバーアート

Phoenix Air Quality Remains in Good Category with AQI of 20-34

Phoenix Air Quality Remains in Good Category with AQI of 20-34

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概要

 Phoenix's air quality on January 24, 2026, remains in the **Good category** with an AQI of approximately 20 to 34, indicating that air pollution poses little or no risk to residents.[4][5] This favorable condition reflects the city's broader air quality trends, which show significant improvement compared to earlier in the month.

January has presented a mixed picture for Phoenix air quality. Early in the month, readings were elevated, with measurements reaching into the low 70s around January 20-21.[1] However, conditions have steadily improved, with readings dropping to the 30s and 40s by late January. The current Good air quality represents the culmination of this positive trend.

The primary pollutant contributing to Phoenix's air quality is fine particulate matter, specifically PM2.5, which consists of tiny particles suspended in the air that reduce visibility and create haze when concentrated.[4] Despite this, current levels remain well below concerning thresholds.

Phoenix's air quality demonstrates a clear daily pattern, with the worst conditions typically occurring during early morning hours. Historical data shows that between midnight and 4 a.m., average AQI readings reach approximately 74, while afternoon hours between 5 and 6 p.m. see the lowest readings around 38-39.[1] This pattern reflects common atmospheric dynamics where cooler nighttime temperatures trap pollutants close to the ground.

Over the course of 2025, Phoenix maintained generally healthy air quality, with 73 percent of the year's days falling within the World Health Organization's safe air quality limits.[1] This positive record demonstrates that despite Phoenix's desert climate and urban development, the city has managed to maintain respirable conditions for most of the year.

Current conditions are especially favorable for outdoor activities. The Good air quality rating means that active children and adults can engage in outdoor exertion without concern, and individuals with respiratory conditions like asthma face minimal risk.[2] As Phoenix continues through winter, these relatively clean air conditions are expected to persist, offering residents a healthy environment for outdoor recreation and daily activities.

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This content was created in partnership and with the help of Artificial Intelligence AI
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