Delhi's Air Quality Remains 'Poor' For 2nd Consecutive Day, Why AQI Is Rising In Summer

Delhi's air quality remained in the "poor" category for a second consecutive day, which is unusual for the summer season when air is typically cleaner due to favourable weather. The article explains that this unseasonal rise in the Air Quality Index (AQI) is primarily due to a combination of stagnant atmospheric conditions—specifically low wind speeds and high temperatures—that are trapping pollutants and preventing their dispersion.

Key contributing factors include high levels of ground-level ozone (a secondary pollutant that forms in heat and sunlight) and sustained particulate matter from local sources like dust and emissions. The report highlights that this early summer pollution spike is a concern, signaling that clean air efforts cannot be seasonal and must address pollution sources year-round to prevent such episodes.

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