Delhi air quality worsens to ‘very poor’ category

What happened: Delhi's air quality worsened to the "very poor" level on Monday, with an average Air Quality Index of 307 recorded at 7.05 am, even as additional measures under the Delhi government's Winter Action Plan took effect on Sunday. Key numbers: Average AQI 307 as of 7.05 am. 37 of 58 active monitoring stations recorded "very poor" or worse. Why it matters: The reading was the highest in the national capital since February despite the new curbs, indicating air quality deteriorated as the Winter Action Plan measures came into force.

Delhi's air quality worsened to the "very poor" level on Monday, with an average Air Quality Index of 307 recorded at 7.05 am, even as additional measures under the Delhi government's Winter Action Plan took effect on Sunday.

The reading was the highest in the national capital since February despite the new curbs, indicating air quality deteriorated as the Winter Action Plan measures came into force.