NewsMobile Pollution Watch: Delhi NCR AQI shows temporary relief from ‘severe’ levels

The air quality index in the national capital and its neighbouring regions showed considerable improvement from the ‘severe’ and ‘severe plus’ level categories.

The improvement was aided by strong winds and according to SAFAR the winds are expected to slow down post November 20th, which may result in the AQI to return to the former state.

Pollution Watch brings you the measure of Air Quality Index (AQI) in major cities across the country.

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The AQI is measured by taking into account the PM (particulate matter). The pollution of a place is measured either in PM10 or PM2.5, depending on which particle is more dominant in the air in that place.

PM10 is the particle which is 10 micrometers or less in diameter and PM2.5 is the finer particle with a diameter measuring 2.5 micrometers or less.

PM2.5 is considered more harmful since it is finer and can travel more deeply into the lungs and cause very harmful effects. These tiny particles in the air reduce visibility and cause the air to appear hazy when their levels are high.

0-30 Good
31- 60 Satisfactory
61- 90 Moderate
91- 120 Poor
121- 250 Very Poor
Beyond 250 Severe

*All levels are measured in PM2.5

DELHI

India Gate, Delhi

Mandir Marg- 224
Rohini- 259
RK Puram- 208
ITO- 203    
Dwarka- 241

HARYANA

Gurugram

Gurugram- 121
Faridabad- 155
Rohtak- 140

MUMBAI

Gateway of India, Mumbai

Colaba- 220
Powai- 160
Bandra-  106
Kurla- 195
Worli- 222

BENGALURU

Cubbon Park, Bengaluru

BTM Layout- 34
BWSSB Kadabesanahalli- 22
Hebbal- 34
Peenya- 40

The pollution level figures are as per the data taken on Tuesday between 10:00 – 11:00 noon IST unless mentioned otherwise. The NGT has formed a committee to look for ways to combat the growing hazards for air pollution in Delhi. 

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