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What caused pollution in Delhi last winter? Stubble burning, secondary inorganic aerosols & vehicles, shows study | Delhi News

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Secondary inorganic aerosols, biomass burning within and outside Delhi, and vehicles: These contributed the most to Particulate Matter (PM) 2.5 levels in Delhi last winter, according to data from a study presented to the Delhi government this September.

The report on the real-time source apportionment study said results show the contribution of secondary inorganic aerosols, which are mostly expected to travel from far distances, to be the highest. The study, meant to understand sources of PM 2.5 in Delhi for the previous winter, was submitted to the Delhi Pollution Control Committee (DPCC) by IIT-Kanpur, IIT-Delhi and TERI.

For the winter (November 1, 2022 to March 2, 2023), the average contribution of secondary inorganic aerosols was 32%, while that of biomass burning within and outside Delhi was 24%, followed by 17% from vehicles, and 7% from coal and fly ash. Domestic sources contributed around 3%, while soil and road dust contributed 2%.

Secondary inorganic aerosols are particles like nitrate and ammonium formed in the atmosphere by the interaction of gases, with sources including power plants, decomposition of waste, vehicles, and brick kilns.

The study, which was done with data from a supersite at Sarvodaya Bal Vidyalaya, Rouse Avenue, estimated the contribution from construction and industry at the site to be 0%.

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In winter, the average contribution of secondary inorganic aerosols from sources within Delhi (that is a distance of up to 30 km from the supersite) is 16%, while 84% is from outside Delhi, according to the report.

Last winter, January was found to be the most polluted in terms of average PM 2.5 levels (217 µg/m3), followed by 210 µg/m3 in November.

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The contribution of biomass burning was found to be highest in November at 36%, while in December it was 21%. The study estimated the average contribution of crop residue burning to PM 2.5 levels from November 1 to 25 to be 22%.

Last month, Environment Minister Gopal Rai had said the real-time study has been stalled after the DPCC chairman had questioned the cost of the project and its findings.

Rai said Wednesday that the study, from which data was earlier being made public on an online dashboard, would resume on Thursday.



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Circle to Search: Share part of your screen!

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According to recent reports, Circle to Search, a feature introduced with the Samsung Galaxy S24 series in January 2024, might soon undergo an upgrade. Initially allowing users to copy text from selected areas, it’s now rumored to include the capability to capture and share screenshots of specific screen sections.

This enhanced functionality, observed in the latest version of Circle to Search, enables users to not only copy text but also capture and share screen images. A video shared by a tipster on X showcased this update, revealing new options of Copy and Share upon selecting an area. Even adjustments to the selected region don’t remove these options, ensuring a seamless experience. Users can either copy the image to the clipboard for further editing or share it directly through various apps.

Previously, the visual lookup feature solely facilitated text copying. While Android devices offer a three-finger swipe-down gesture for quick screenshots, it captures the entire screen, necessitating subsequent cropping. This new functionality streamlines the process, allowing users to select and share specific screen sections in just two steps.

Interestingly, Google recently addressed concerns about accidental activations of Circle to Search in a podcast featuring its developers. They acknowledged the issue and assured users of an impending fix. This indicates ongoing efforts to refine the feature for a smoother user experience.

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Discounted OnePlus Nord CE 3 price in India: Check it out!

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The OnePlus Nord CE 3 has recently undergone another price reduction in India, marking a significant update for potential buyers. Initially introduced to the Indian market in June 2023, this smartphone received its first price adjustment in November of the same year. The base variant, featuring 8GB of RAM and 128GB of internal storage, was notably listed at a price Rs. 2,000 lower than its launch price, signaling OnePlus’s commitment to providing competitive pricing to its customers.

The OnePlus Nord CE 3 is powered by an octa-core Qualcomm Snapdragon chipset and ships with the Android 13-based operating system. It boasts a triple rear camera setup, enhancing its photography capabilities, and supports SuperVOOC charging, ensuring rapid replenishment of its battery. The inclusion of these features positions the Nord CE 3 as a compelling option for smartphone enthusiasts seeking a balance between performance, affordability, and innovation.

The recent unveiling of the OnePlus Nord CE 4 in India marks the continuation of OnePlus’s commitment to delivering cutting-edge technology to its users. Serving as the successor to the Nord CE 3, the Nord CE 4 is expected to build upon the strengths of its predecessor while introducing new enhancements and features to further elevate the user experience.

When considering the revised pricing of the OnePlus Nord CE 3, it’s evident that OnePlus aims to make its devices more accessible to a wider audience. The reduction in price, particularly on platforms like Amazon and the OnePlus India website, presents an opportunity for consumers to acquire a high-quality smartphone at a more affordable rate.

Let’s delve deeper into the specifications and features of the OnePlus Nord CE 3 to understand its capabilities and appeal to potential buyers.

OnePlus Nord CE 3 Price in India (Revised)

The base variant of the OnePlus Nord CE 3, featuring 8GB of RAM and 128GB of internal storage, was initially launched in India at Rs. 26,999. Following its first price cut in November, the price was reduced to Rs. 24,999. Now, the same variant is available on Amazon at Rs. 22,990, representing a Rs. 2,009 reduction from its previous price. Furthermore, customers can benefit from an additional flat Rs. 2,000 instant discount on ICICI and HDFC Bank cards, bringing the effective price down to Rs. 20,990.

On the OnePlus India website, the 8GB + 128GB variant is priced at Rs. 22,999, marking a Rs. 2,000 decrease from the November price of Rs. 24,999. It is worth noting that this discount is exclusively applicable to the 128GB model, as the higher-end 256GB variant is currently listed as out of stock.

OnePlus Nord CE 3 Specifications and Features

Display:

The OnePlus Nord CE 3 boasts a 6.7-inch full-HD+ fluid AMOLED display with a resolution of 1,080 x 2,412 pixels. With a refresh rate of up to 120Hz, users can enjoy smooth and fluid visuals, enhancing their overall viewing experience.

Processor and Performance:

Powered by the Qualcomm Snapdragon 782G SoC, the OnePlus Nord CE 3 delivers robust performance and efficient multitasking capabilities. With up to 12GB of RAM and up to 256GB of onboard storage, users can seamlessly navigate between apps and store their multimedia content with ease.

Operating System:

The smartphone ships with Android 13-based OxygenOS 13.1, providing users with a clean and intuitive user interface coupled with a plethora of customization options. OxygenOS is known for its smooth performance and timely software updates, ensuring that users stay up-to-date with the latest features and security patches.

Camera:

The OnePlus Nord CE 3 features a versatile camera setup, comprising a 50-megapixel primary sensor with optical image stabilization (OIS) and electronic image stabilization (EIS) support. Accompanying this primary sensor is an 8-megapixel sensor with an ultra-wide-angle lens and a 2-megapixel macro shooter, allowing users to capture a wide range of subjects with stunning detail and clarity. On the front, the device houses a 16-megapixel sensor for high-quality selfies and video calls.

Battery and Charging:

Equipped with a robust 5,000mAh battery, the OnePlus Nord CE 3 offers ample battery life to power through a full day of usage. Additionally, the device supports 80W wired SuperVOOC charging, enabling users to quickly replenish the battery and minimize downtime.

Connectivity:

The OnePlus Nord CE 3 supports a comprehensive range of connectivity options, including 5G, 4G LTE, Wi-Fi, Bluetooth 5.2, NFC, GPS, and USB Type-C. Whether it’s streaming multimedia content, browsing the web, or staying connected with friends and family, users can rely on the Nord CE 3 to deliver seamless connectivity and performance.

Security:

For enhanced security, the OnePlus Nord CE 3 features an in-display fingerprint sensor, allowing users to conveniently unlock their device with a simple touch. This biometric authentication method adds an extra layer of protection to safeguard sensitive data and personal information.

Conclusion

In conclusion, the OnePlus Nord CE 3 offers a compelling combination of performance, affordability, and innovation, making it an attractive choice for smartphone enthusiasts in India. With its recent price reduction and competitive specifications, the Nord CE 3 presents a compelling value proposition for consumers seeking a high-quality smartphone experience without breaking the bank. As OnePlus continues to innovate and introduce new features with each iteration, the Nord CE 3 stands as a testament to the company’s commitment to delivering exceptional devices tailored to the needs of its users.

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Namma Yatri launches cab service in Bengaluru

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In its largest market, Bengaluru, ride-hailing company Namma Yatri has expanded its services to include cab-hailing, marking a significant shift from its previous focus on auto rickshaws. Namma Yatri, known for pioneering a daily subscription model as opposed to the commission-based model utilized by competitors like Ola and Uber, had initially concentrated on auto rickshaws in Bengaluru. However, it now features a distinct section on its app dedicated to booking cabs in the city. Additionally, Namma Yatri already provides cab rides in Kochi and Kolkata.

The decision to venture into cab services follows Namma Yatri’s separation from its former parent company, Justpay, and comes on the heels of a reported expansion plan announced on April 1st. The move also aligns with the broader trend observed in the industry, as both Ola and Uber have recently introduced subscription-based plans for auto-rickshaw drivers on their platforms. This strategic shift towards subscription-based models, akin to Namma Yatri’s approach, as well as that of Rapido, highlights a growing preference within the industry for alternative pricing structures beyond traditional booking fees or commissions.

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