『Phoenix Air Quality Improves, Mostly Within WHO Guidelines in 2025』のカバーアート

Phoenix Air Quality Improves, Mostly Within WHO Guidelines in 2025

Phoenix Air Quality Improves, Mostly Within WHO Guidelines in 2025

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 Phoenix is experiencing mostly good air quality today, with the majority of recent days falling within health guidelines set by the World Health Organization. Current 2025 data shows that 84 percent of the days so far have been under WHO’s safe air quality limits, meaning health risks remain low for the general population, although the long-term effects for sensitive individuals remain uncertain.

The average Air Quality Index in Phoenix during 2025 is around 42. This represents a slight increase—about 2.3 percent—from previous years, but still firmly within the good to moderate range on most days. On a typical recent day, Phoenix’s air reached its highest AQI of 49 in the mid-morning, with the lowest readings, often around 37, occurring in the late afternoon and early evening.

Looking at air pollution trends across the last six years, Phoenix’s most polluted recent year was 2022 with an average AQI of 42, while 2023 was the cleanest with an average of 39. In 2025, the vast majority of days are rated as good and only a small fraction are moderate or higher. For example, out of 226 measured days in 2025, 188 were classified as good, while just two days exceeded levels considered unhealthy by the World Health Organization.

Even with consistent good air quality, experts note that people with chronic respiratory illnesses, older adults, and very young children should remain mindful of air quality reports and avoid prolonged or intense outdoor activity on days when levels approach the moderate range. For everyone else, outdoor activities are considered safe, with low immediate health risk for most of the year. Phoenix’s commitment to air quality monitoring continues to provide residents with timely and reliable data for personal and community decision-making. This overall positive air quality trend is encouraging for public health and the environment, even as the city grows and faces new challenges each year[2].

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