NewsMobile Pollution Watch: Delhi returns to breathing toxic air as AQI shoots to ‘very poor’

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The air quality in the national capital dipped to the ‘very poor’ category on Wednesday, after a very temporary respite last week, due to light rains and very strong winds.

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

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- 262
Rohini- 347
RK Puram- 228
ITO- 276
Dwarka- 306

HARYANA

Gurugram

Gurugram- 271
Hisar- 254
Rohtak- 258

MUMBAI

Gateway of India, Mumbai

Lower Parel- 52
Colaba- 57
Powai- 59
Pirojshanagar- 67
Worli- 50

BENGALURU

Cubbon Park, Bengaluru

BTM Layout- 29
Jayanagar- 63
Silk Board- 44
Peenya- 64

The pollution level figures are as per the data taken on Wednesday between 11:00 – 12:00 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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