The air quality in Delhi remained "poor" on Friday with the maximum temperature being two degrees below normal at 25.9 degrees Celsius. The Central Pollution Control Board (CPCB) reported that the air quality index (AQI) for the previous 24 hours was 289, which is considered to be poor. The sky was clear all day long.
According to the India Meteorological Department (IMD), the national capital has seen the coldest morning of the season, with a minimum temperature of 9.6 degrees Celsius, three degrees below normal.
The relative humidity ranged between 93 and 36 percent, according to the IMD.
The weather forecast calls for a partly overcast sky with mist in the morning.
The maximum and minimum temperatures would be around 26 and 9 degrees celsius respectively, the IMD reported.
On Friday, Delhi's air quality remained in the 'poor' category. On Friday morning, the city's overall Air Quality Index (AQI) was 293 according to the System of Air Quality and Weather Forecasting And Research (SAFAR).
On Thursday morning, the AQI was 249, indicating that the air quality had deteriorated considerably. This follows a significant improvement in the AQI in the national capital during the prior few days. Earlier on Wednesday, the capital's air quality was classified as "moderate," with an AQI of 176.
The AQI in Delhi was 221 on Tuesday, moving it from the "very poor" to the "poor" category. The Air Quality Index is a tool for communicating to the general public the current state of air quality. It reduces complex data on air quality from various pollutants to a single number (index value), nomenclature, and colour.
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".