The last time the city saw ‘poor’ air was on November 25, with an AQI of 219. Daily readings had remained in the ‘moderate’ range since then, offering brief relief after weeks of severe pollution in early winter.
The last time the city saw ‘poor’ air was on November 25, with an AQI of 219. Daily readings had remained in the ‘moderate’ range since then, offering brief relief after weeks of severe pollution in early winter.