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Tuesday, April 07, 2020

Air Quality Index


Best AQI in March: Industries shut, vehicles off roads but calm winds bring down Delhi's air quality a notch

April 06, 2020 3:36 am

The Central Pollution Control Board's AQI is based on air quality data from different monitoring stations across the city. Delhi's data on Sunday was calculated based on 30 stations.

On two days in last four months, AQI was good in Chandigarh

January 05, 2020 10:53 am

From 0 to 50, AQI is considered good; and from 50-100 it is considered satisfactory, which causes minor breathing discomfort to sensitive people.

Mumbai wakes up to light rain, haze on Christmas; records ‘poor’ AQI

December 26, 2019 7:18 am

Minimum temperature recorded at 24.2 degrees, 6°C above normal

For second time since November, Mumbai air enters ‘poor’ category

December 13, 2019 11:43 am

The last time the city’s AQI was in the ‘poor’ category was on November 22, when the Central Pollution Control Board recorded 202 (poor) AQI.

Delhi-NCR hit by hailstorm, heavy rain; 17 flights diverted

December 13, 2019 10:42 am

The air quality in the national capital had dipped to the ‘severe’ category on Wednesday, after an extended spell of low temperatures and stagnant winds impeded the dispersal of pollutants.

Improving ease of living: Tandurust Punjab mission reduces air pollution by a third

December 09, 2019 6:50 am

The transformation started in 2017 when the Punjab Pollution Control Board started working on getting the furnaces to switch over to side hood suction system with bag filter house, an air pollution control device.

SC on pollution: Better finish people in one go than force them to live in gas chamber

November 25, 2019 9:08 pm

"You can’t let people die like this. Delhi is near suffocating. Because you aren't able to implement measures, doesn't mean people in Delhi-NCR should die and suffer from cancer," the Supreme Court told the Punjab Chief Secretary.

Explained: How brick kilns contribute to rising pollution

November 18, 2019 8:58 am

On Friday, the NGT had passed an order in Utkarsha Panwar versus CPCB that 7,000 brick kilns including those with new zig-zag technology in the NCR must be closed till the end of February 2020, or till pollution level comes down.

Odd-even scheme road test: Did the initiative help bring down air pollution

November 18, 2019 6:49 am

The third edition of the Delhi government’s odd-even scheme ended on Friday — the same day the Supreme Court sought to know how effective it really is.

Four-day spell of severe pollution ends — for now: A ‘very poor’ sigh of relief for capital

November 17, 2019 8:50 am

Officials at the India Meteorological Department (IMD) said the main reason behind the improvement was a change in wind direction and speed.


Delhi pollution: AQI remains in 'severe' category

November 03, 2019 9:25 am

Delhi’s air quality index (AQI) continued to remain in the ‘severe’ category Saturday and stood at 480 at 8 am, according to data by the System of Air Quality and Weather Forecasting And Research (SAFAR).


Supreme Court puts a partial ban on firecrackers just before Diwali

October 23, 2018 3:20 pm

The Supreme Court has put a partial ban on firecrackers and asked central and state pollution boards to monitor air quality a week before and after Diwali. Here’s what the court said.