Delhi’s air quality index (AQI) level was moderate for Monday, while its minimum temperature reached 16.2°C. The peak temperature recorded was 31.4 degrees Celsius, 0.4 degree less of the seasonal average temperature.

On Sunday, the official data showed the Air Quality Index (AQI) at 174, compared with 153 the day before.

A few Monitored Stations Measure Unfavorable AQI.

The city of Delhi had a total of 57 Air Quality monitoring stations, with poor AQ conditions prevailing across 18 of these stations and better AQ conditions at Ghogha. Air quality was in the “Moderate” classification for the rest of the stations.

The worst AQI was observed at CRRI Mathura Road with AQI at 248.

An Air Quality Index (AQI) value of 101 to 200 according to Central Pollution Control Board (CPCB) is considered as moderate and AQI of 201 to 300 is poor.

Worsening Air Quality this Week!

The Air Quality Early Warning System has predicted worsening air quality in Delhi on Oct 27 and 28 due to entering of air quality index into poor zone. October 29 conditions like to moderate followed by moderate to poor predictions for the next six days.

The system had said that conditions during the subsequent day will be unfavourable for dispersion of the pollutants with the ventilation index forecasted to be less than 6,000 square metre per second, average wind up to 10 kmph during the day.

Mixing up of pollutants is the biggest pollution contributor.

Transport emissions were the major source contributing 23.8 per cent for the city of Delhi, as cited by the Decision Support System for Air Quality Management in Delhi. Transport emissions were the largest source accounting for 23.8 per cent in the city of Delhi, as reported by the Decision Support System for Air Quality Management in Delhi.

The percentages of the residential, industry, and construction sources were 6 percent, 4.9 percent, and 3.3 percent, respectively. Other sources including energy and waste burning took up the next 2.2 per cent each, followed by road dust at 1.6 per cent.