Air quality has taken a turn for the worse, with the Air Quality Index reaching 120. This shift has pushed the air quality into the 'moderate' category. Experts are warning that the air quality is likely to worsen in the coming days.

Further details about the current air quality and the expected deterioration are available from the source. The experts' warnings suggest that the situation may become more severe, but specific predictions and explanations are not provided here.

For more information on the air quality and the factors contributing to its decline, readers can refer to the original report.