 "Delhi pollution")
Delhi's air was unhealthy on Tuesday, deteriorating from yesterday as a state-run forecasting system predicted that the national capital's air will remain very poor for two days.
The Air Quality Index (AQI) of the national capital was 347 --'very poor'-- at 8 am, according to the Ministry of Earth Sciences' air quality forecast agency SAFAR. Readings below 50 are considered safe, while anything above 300 is considered hazardous or 'severe'.
Moderate wind speed and partly cloudy conditions are likely to keep Delhi's air quality within the lower end of the 'very poor' category for the next two days, according to
