Cold morning in national capital, air quality remains in poor category
The Ministry of Earth Sciences' air quality forecast agency SAFAR said the improvement in the air quality was "higher than expected, implying that (air pollution) control measures are yielding results".
An AQI between zero 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. Pic: Reuters