Delhi's air quality
Pollution levels dipped slightly in the national capital on Tuesday morning due to favourable wind speed, though the air quality
New Delhi: Pollution levels dipped slightly in the national capital on Tuesday morning due to favourable wind speed, though the air quality was still in the poor category.
The air quality index (AQI) was likely to slip to the "very poor" category by Wednesday due to change in the wind direction and a reduction in the wind speed.
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Delhi's air quality
The city recorded an air quality index (AQI) of 227 at 9 am on Tuesday. The 24-hour average AQI was 244 on Monday. It was 254 on Sunday and 287 on Saturday.
An AQI between 0 and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.
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