New Delhi, May 5 -- Pollution levels in Delhi remained in the 'satisfactory' zone on Monday even as many government and private offices opened with a third of their staff on the first day of the two-week exit from the lockdown, because of which there was increased activity and traffic presence in the city.

Experts said it will take some time to analyse the impact of resumption of activity on the pollution levels. High wind speed and frequent spells of rain will, however, help keep pollution in check for the rest of the week.

According to Central Pollution Control Board's (CPCB) bulletin released at 9pm, the average air quality index (AQI) on Monday was 90 ( in the 'satisfactory' zone).

At 93, the AQI on Sunday was also in the 'satisfacto...