JAIPUR: For the second time this season, the city reported ‘very poor’ air quality on Sunday, while Kota remained the most-polluted in the state as its air quality further deteriorated and its AQI touched 375.
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It is the second day in a row when residents of Kota woke up to ‘poor air’ quality. In Udaipur, the air quality turned ‘very poor’ from ‘poor’ in 24 hours. However, in Bhiwadi, the air quality improved from ‘severe’ to ‘very poor.’ For the past four days, the city has been witnessing increase in AQI. On November 10, the AQI was 195 and fell in the ‘moderate’ level. It increased to 198 on November 11, November 12 (236), November 13 (300) and 328 on November 14.
There are six AQI categories — good, satisfactory, moderately polluted, poor, very poor and severe. The AQI is calculated on eight pollutants (PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb). It means that if the air quality turns very poor, the level of mixture of noxious gases goes up. AQI is emerged as one such tool for effective dissemination of air quality information to people.
According to the state’s pollution control board, the air quality has deteriorated as velocity of air has decreased with the onset of winters, which is why pollutants do not disperse easily.
Ajmer has the best air quality in the state as it has been categorised as satisfactory. In Jodhpur, the air quality continued to deteriorate for the past two days.
