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During Jan-Jun 2023, Delhi registers best ever air quality in 8 years

New Delhi [India] : As of 30 June, the average air quality of Delhi is in the ‘Moderate’ Category i.e. below 200 AQI. Favourable meteorological/weather conditions coupled with consistent, comprehensive and concerted efforts by Commission for Air Quality Management in NCR and Adjoining Areas (CAQM) and various stakeholders to control air pollution in the National Capital Region (NCR) helped in achieving better overall air quality in Delhi during the first half of the current year.

During the first six months of the current year, Delhi experienced a remarkable increase in the number of days categorized as ‘Good to Moderate’ on the Air Quality Index (AQI). During the eight years, from 2016 to 2023, for the period January to June, Delhi registered its best air quality during the current year, barring the time of the COVID-19 Lockdown.

The duration of the COVID-19 lockdown is not included in the above data when there were very low anthropogenic, industrial and commercial activities with the highest number of ‘Good to Moderate’ Air Quality Days. As per the Ministry of Environment, Forest and Climate Change, “The number of ‘Good to Moderate’ Air Quality Days for the first half-year period was 30 in the year 2016, 57 in 2017, 65 in 2018, 78 in 2019, 126 in 2020, 84 in 2021, 54 in 2022, and 101 in the current year 2023.”

“During this period, Delhi has also experienced the least number of days with ‘Poor to Severe’ Air Quality in 2023, as compared to the corresponding period of last eight years since 2016 (barring 2020 – the year of lockdown due to Covid). The number of ‘Poor to Severe’ Air Quality Days for the first half-year period (January to June) have also been progressively reducing from 147 in the year 2016 to 80 in the current year 2023.” Ministry added

The average AQI for Delhi during this period also remained in the Moderate AQI category i.e. below 200. Delhi has reported its lowest Average AQI during the current year, January to June, compared to the corresponding period for the last eight years. Considering the daily average PM10 and PM2.5 concentration levels, during the first half-year period of 2023, Delhi has witnessed the lowest levels of daily average PM10 and PM2.5 concentration, as compared to the corresponding period for the last eight years.

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