Google Maps have added another feature where the map users will be able to see the air quality information from PurpleAir, which is a low-cost sensor network that gives the user to have a hyperlocal view of conditions.
World Air Quality Report 2022, prepared by Swiss organization IQAir and released globally on Tuesday, found that India's PM 2.5 level returned to pre-COVID lockdown concentrations measured in 2019.
Honeywell unveiled a 'make in India' indoor air quality (IAQ) monitor which will alert building owners on potential issues to proactively improve indoor air quality. The touchscreen-enabled device is capable to measure key parameters like temperature, indoor air pollutants, relative humidity, and provides an IAQ index based on the readings.
Several areas in the national capital, including Delhi University, Pusa, Lodhi Road and Indira Gandhi International Airport (Terminal 3) recorded air quality in the 'poor' category with an AQI of 262, 249, 228, and 215 respectively.
Air Quality Index is a yardstick used to measure the quality of air in a particular area. It is measured from 0 to 500. A higher AQI indicates greater level of pollutants in the air.
This was the best air quality in Delhi since October 26, 2021, when it was recorded at 139.
The maximum temperature is expected to settle at 19 degrees Celsius. Isolated thunderstorms and hail are predicted over Delhi on Friday and Saturday, the IMD said.
Several homeless people were seen taking refuge in night shelters as the national capital struggled under coldwave conditions.
Meanwhile, the air quality of NCR region like Noida, Gurugram remains in 'severe' and in 'very poor category respectively.
According to the System of Air Quality and Weather Forecasting And Research (SAFAR). the concentrations of PM 2.5 and PM 10 stood at 'very poor' category.
Delhi is likely to witness 'shallow fog' today with the mercury dropping to as low as 8 degrees Celsius, as per the India Meteorological Department (IMD).
A shallow foggy condition is likely to keep AQI poor for the next two days in Delhi.
According to SAFAR, the level of PM 2.5 at 7:20 am stands at 'very poor' category.
The air quality of neighboring Noida has also slipped to the 'very poor' category. The AQI in the NCR region stands at 333.
The air quality and weather bulletin for Delhi-NCR, said: "The air quality over Delhi-NCT is likely to deteriorate marginally and remain in poor to lower end of very poor category on December 13. The air quality is likely to remain 'very poor' category on December 14 and 15.
As per the government agencies, 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'.
Senior advocate Kapil Sibal, representing the rice manufacturers, submitted before the bench that they had made a representation in the first week of December seeking relaxation, but the commission has not decided it yet.
The air quality in the national capital remained stagnant in the 'very poor' category for several days in the past week.
According to the System of Air Quality and Weather Forecasting And Research (SAFAR), the level of PM 2.5 and PM 10 in the air at 9 am stood at very poor and moderate levels, respectively.
In view of the air quality standard, SAFAR issued an advisory to reduce heavy exertion. According to SAFAR prediction, the AQI in national capital will deteriorate to 321 and will remain in the 'very poor' category on Tuesday.
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