After a spell of rain, the typical air top quality enhanced from “very poor” to moderate levels in Ghaziabad, Noida, Greater Noida and Faridabad, whilst it reached satisfactory category in Gurgaon, according to a 24-hour information issued by a government agency on Monday.
Gurgaon and Faridabad final had a moderate’ air day on December 15, Noida on December 14, Greater Noida and Ghaziabad on November 27, official figures from corresponding dates showed.
Pollutants PM 2.5 and PM 10 though remained prominent in the air of the 5 instant neighbours of Delhi, according to the air top quality index (AQI) maintained by the Central Pollution Control Board (CPCB).
According to the index, an AQI involving zero and 50 is deemed ‘good’, 51 and one hundred ‘satisfactory’, 101 and 200 ‘moderate’, 201 and 300 ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ‘severe’.
The typical 24-hour AQI at 4 pm on Monday was 168 in Ghaziabad, 134 in Greater Noida, 152 in Noida, 179 in Faridabad and 65 in Gurgaon, according to CPCB’s Sameer’ application.
On Sunday, it was 384 in Ghaziabad, 348 in Greater Noida, 364 in Noida, 358 in Faridabad and 260 in Gurgaon. On Saturday, it was 462 in Ghaziabad, 450 in Greater Noida, 448 in Noida, 415 in Faridabad and 336 in Gurgaon.
The CPCB states that an AQI in the satisfactory category might trigger minor breathing discomfort to sensitive people today, whilst moderate might lead to breathing discomfort to these with lungs, asthma and heat ailments.
The AQI for each and every city is primarily based on the typical worth of all stations there. Ghaziabad and Gurgaon have 3 such stations, whilst Noida, Greater Noida and Faridabad have two stations each and every, according to the application.