Deprecated (16384): The ArrayAccess methods will be removed in 4.0.0.Use getParam(), getData() and getQuery() instead. - /home/brlfuser/public_html/src/Controller/ArtileDetailController.php, line: 150
 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php. [CORE/src/Core/functions.php, line 311]
Code Context


        trigger_error($message, E_USER_DEPRECATED);

    }
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 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php.'
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deprecationWarning - CORE/src/Core/functions.php, line 311
Cake\Http\ServerRequest::offsetGet() - CORE/src/Http/ServerRequest.php, line 2421
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Http\Runner::run() - CORE/src/Http/Runner.php, line 51
Cake\Http\Server::run() - CORE/src/Http/Server.php, line 98

Deprecated (16384): The ArrayAccess methods will be removed in 4.0.0.Use getParam(), getData() and getQuery() instead. - /home/brlfuser/public_html/src/Controller/ArtileDetailController.php, line: 151
 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php. [CORE/src/Core/functions.php, line 311]
Code Context


        trigger_error($message, E_USER_DEPRECATED);

    }
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 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php.'
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deprecationWarning - CORE/src/Core/functions.php, line 311
Cake\Http\ServerRequest::offsetGet() - CORE/src/Http/ServerRequest.php, line 2421
App\Controller\ArtileDetailController::index() - APP/Controller/ArtileDetailController.php, line 151
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 610
Cake\Http\ActionDispatcher::_invoke() - CORE/src/Http/ActionDispatcher.php, line 120
Cake\Http\ActionDispatcher::dispatch() - CORE/src/Http/ActionDispatcher.php, line 94
Cake\Http\BaseApplication::__invoke() - CORE/src/Http/BaseApplication.php, line 235
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Routing\Middleware\RoutingMiddleware::__invoke() - CORE/src/Routing/Middleware/RoutingMiddleware.php, line 162
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Error\Middleware\ErrorHandlerMiddleware::__invoke() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 96
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Http\Runner::run() - CORE/src/Http/Runner.php, line 51
Cake\Http\Server::run() - CORE/src/Http/Server.php, line 98

Warning (512): Unable to emit headers. Headers sent in file=/home/brlfuser/public_html/vendor/cakephp/cakephp/src/Error/Debugger.php line=853 [CORE/src/Http/ResponseEmitter.php, line 48]
Code Context
            if (Configure::read('debug')) {

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        LATEST NEWS UPDATES | An hour-by-hour account of how Delhi’s air quality tanked on Diwali -Abhishek Jha    </title>
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Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.

Delhi woke up to one of its most polluted mornings this year after Diwali, according to Air Quality Index (AQI)..."/>
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Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.

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    <h1 class="cat-box-title">An hour-by-hour account of how Delhi’s air quality tanked on Diwali -Abhishek Jha</h1>
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                            <p style="text-align:justify">-Hindustan Times</p><p style="text-align:justify"><em>Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.</em></p><p style="text-align:justify">Delhi woke up to one of its most polluted mornings this year after Diwali, according to Air Quality Index (AQI) data, with farm fires in Punjab and Haryana, and the use of fireworks on Diwali night (Thursday) contributing to the spike.</p><p style="text-align:justify">To be sure, AQI is not the best metric for comparison if data for all pollutants is not available. This is because AQI is simply the highest among the sub-indices for different pollutants. If the data for one or more significant pollutants is not available, we might just be looking at the highest sub-index among available data. Still, on the basis of available data, two things are clear: this was among the most polluted Diwalis in Delhi and fireworks are not the only cause for the spike in pollution.</p><p style="text-align:justify">HT analysed hourly PM 2.5 concentration levels and wind speed and the number of farm fires per day from three days before Diwali for 2019 (October 27), 2020 (November 14) and 2021 (November 4) to reach this conclusion. The analysis is based on data from five monitoring stations &ndash; Aya Nagar station of the India Meteorological Department, and the Najafgarh, Narela, Punjabi Bagh, and Sri Aurobindo Marg stations of the Delhi Pollution Control Committee &ndash; which have hourly data for all three years.</p><p style="text-align:justify">Please <a href="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo" title="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo">click here</a> to read more.&nbsp;</p>                                                           
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    <br><a href="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo" class="re" target="_blank">Hindustan Times, 6 November, 2021, https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo</a><div class="clear"></div>
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Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.

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    <h1 class="cat-box-title">An hour-by-hour account of how Delhi’s air quality tanked on Diwali -Abhishek Jha</h1>
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                            <p style="text-align:justify">-Hindustan Times</p><p style="text-align:justify"><em>Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.</em></p><p style="text-align:justify">Delhi woke up to one of its most polluted mornings this year after Diwali, according to Air Quality Index (AQI) data, with farm fires in Punjab and Haryana, and the use of fireworks on Diwali night (Thursday) contributing to the spike.</p><p style="text-align:justify">To be sure, AQI is not the best metric for comparison if data for all pollutants is not available. This is because AQI is simply the highest among the sub-indices for different pollutants. If the data for one or more significant pollutants is not available, we might just be looking at the highest sub-index among available data. Still, on the basis of available data, two things are clear: this was among the most polluted Diwalis in Delhi and fireworks are not the only cause for the spike in pollution.</p><p style="text-align:justify">HT analysed hourly PM 2.5 concentration levels and wind speed and the number of farm fires per day from three days before Diwali for 2019 (October 27), 2020 (November 14) and 2021 (November 4) to reach this conclusion. The analysis is based on data from five monitoring stations &ndash; Aya Nagar station of the India Meteorological Department, and the Najafgarh, Narela, Punjabi Bagh, and Sri Aurobindo Marg stations of the Delhi Pollution Control Committee &ndash; which have hourly data for all three years.</p><p style="text-align:justify">Please <a href="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo" title="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo">click here</a> to read more.&nbsp;</p>                                                           
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    <br><a href="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo" class="re" target="_blank">Hindustan Times, 6 November, 2021, https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo</a><div class="clear"></div>
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        LATEST NEWS UPDATES | An hour-by-hour account of how Delhi’s air quality tanked on Diwali -Abhishek Jha    </title>
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Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.

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     <meta property="og:description" content="-Hindustan Times

Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.

Delhi woke up to one of its most polluted mornings this year after Diwali, according to Air Quality Index (AQI)..." />
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    <h1 class="cat-box-title">An hour-by-hour account of how Delhi’s air quality tanked on Diwali -Abhishek Jha</h1>
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                            <p style="text-align:justify">-Hindustan Times</p><p style="text-align:justify"><em>Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly.</em></p><p style="text-align:justify">Delhi woke up to one of its most polluted mornings this year after Diwali, according to Air Quality Index (AQI) data, with farm fires in Punjab and Haryana, and the use of fireworks on Diwali night (Thursday) contributing to the spike.</p><p style="text-align:justify">To be sure, AQI is not the best metric for comparison if data for all pollutants is not available. This is because AQI is simply the highest among the sub-indices for different pollutants. If the data for one or more significant pollutants is not available, we might just be looking at the highest sub-index among available data. Still, on the basis of available data, two things are clear: this was among the most polluted Diwalis in Delhi and fireworks are not the only cause for the spike in pollution.</p><p style="text-align:justify">HT analysed hourly PM 2.5 concentration levels and wind speed and the number of farm fires per day from three days before Diwali for 2019 (October 27), 2020 (November 14) and 2021 (November 4) to reach this conclusion. The analysis is based on data from five monitoring stations &ndash; Aya Nagar station of the India Meteorological Department, and the Najafgarh, Narela, Punjabi Bagh, and Sri Aurobindo Marg stations of the Delhi Pollution Control Committee &ndash; which have hourly data for all three years.</p><p style="text-align:justify">Please <a href="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo" title="https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo">click here</a> to read more.&nbsp;</p>                                                           
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An hour-by-hour account of how Delhi’s air quality tanked on Diwali -Abhishek Jha

Published on Nov 6, 2021   Modified on Nov 6, 2021

-Hindustan Times Delhi air was cleaner on Diwali eve in 2021 than it was in 2019 and 2020. Things went downhill rapidly. Delhi woke up to one of its most polluted mornings this year after Diwali, according to Air Quality Index (AQI) data, with farm fires in Punjab and Haryana, and the use of fireworks on Diwali night (Thursday) contributing to the spike. To be sure, AQI is not the best metric for comparison if data for all pollutants is not available. This is because AQI is simply the highest among the sub-indices for different pollutants. If the data for one or more significant pollutants is not available, we might just be looking at the highest sub-index among available data. Still, on the basis of available data, two things are clear: this was among the most polluted Diwalis in Delhi and fireworks are not the only cause for the spike in pollution. HT analysed hourly PM 2.5 concentration levels and wind speed and the number of farm fires per day from three days before Diwali for 2019 (October 27), 2020 (November 14) and 2021 (November 4) to reach this conclusion. The analysis is based on data from five monitoring stations – Aya Nagar station of the India Meteorological Department, and the Najafgarh, Narela, Punjabi Bagh, and Sri Aurobindo Marg stations of the Delhi Pollution Control Committee – which have hourly data for all three years. Please click here to read more.

Hindustan Times, 6 November, 2021, https://www.hindustantimes.com/india-news/an-hour-by-hour-account-of-how-delhi-s-air-quality-tanked-on-diwali-101636131135665.html?fbclid=IwAR1vkQTtyN1GO3vWJkCF-aJHRuZnCUGphRItgpOafb95HnqbRJE04oqwWdo

Tagged with: AQI Air quality Air Pollution Fire Crackers Public Health

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