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 air quality


What Living Through the Hottest July Ever Looked Like Across the U.S.

TIME - Tech

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Moment terrifying 'firenado' erupts as historic wildfires scorch 2 million acres across Pacific Northwest

Daily Mail - Science & tech

You're viewing the US edition You can switch to the UK or AU homepage at any time using this menu. Sobbing bride killer Jamie Lee Komoroski begs for her father in jaw-dropping arrest video after drunkenly crashing into golf cart-driving newlyweds: 'I just want to go home' Watch the moment two middle-aged men are escorted out of Fever WNBA game after going'too far' with player Oakland boys aged FOUR and seven took parents' car on joyride that ended with them striking woman walking her dog The eerie Diana detail in Meghan's perfect birthday photo everyone missed... it's just so revealing: JANE TIPPETT Shania Twain suffers devastating career blow with new album after backlash over raunchy stage outfits: 'It's not easy to evolve as an artist' Bride's sister accuses groom of the unthinkable on eve of lavish wedding: Read sickening claims in full... and see newlywed volleyball coach's astonishing new life My close friend has lost weight and completely changed her life. The compliments are flooding in and everyone is so proud... but this is the nasty secret I can't admit to her TV anchor says recent on-air'gynecology' blooper was the worst of his career Nolan Wells's friends say they plan to RETURN to Mississippi island where he died to try and'investigate' the black teenager's death Trump's chilling three-word prediction about the GOP's chances to maintain power in the midterms Perez Hilton's heartbreaking first words from hospital bed as fearful friends reveal the chilling hours inside his home before livestream crisis California's housing revolution hits one of America's wealthiest cities as developers race to build hundreds of apartments Booing erupts at highly inappropriate moment during Nevada governor's speech, leaving the lawmaker furious Baby born at 31 weeks after mother, 18, took abortion pills then gave birth on toilet because she and baby's dad, 19, did not want child, cops say Has your Mounjaro weight loss slowed down? This is how you can turbo-charge your jab by using our experts' very easy hacks... and exactly which body part you should be injecting Blind psychic Baba Vanga's chilling 2026 warnings resurface as clock ticks on three prophecies Moment terrifying'firenado' erupts as historic wildfires scorch 2 million acres across Pacific Northwest READ MORE: Urgent warning to brace for catastrophic'Ring of Fire' disaster as global megaquake chain reaction sparks fears for MILLIONS in its path: 'Super overdue' A towering vortex of flames erupted from an Oregon wildfire over the weekend as historic blazes continued to ravage the Pacific Northwest. Stunning footage captured near Burns shows the so-called'firenado' twisting through Harney County, where multiple fires have scorched hundreds of thousands of acres.


Do Face Masks Help With Wildfire Smoke? Yes, But More Is Needed

WIRED

Here's How to Prevent Heart and Lung Damage As wildfire smoke threatens air quality and safety for millions, here's your playbook to keep your family safe from the damaging effects of smoke particulates. Wildfire season is fully upon us-- and with it, the smoke . The most spectacular threat of a wildfire is of course the possibility it might directly threaten lives and homes, like the wildfires last year that devastated Los Angeles . But it is the smoke and the stinging haze--and especially the invisible particulate matter borne aloft for hundreds of miles--that is most likely to pose grave health risks to millions across the country, as wildfires rage in Canada and across the American West during summer months. So do visits to lung doctors.


What to know about the Canadian and US wildfires and their impact

BBC News

Cities across north-eastern Canada and the US are suffering from intense smoke brought on by wildfires burning across Ontario and Minnesota. Residents in New York, Boston and Toronto have been encouraged to avoid strenuous activity over potential health impacts caused by the pollution. Canada wildfires leave train'encased in flames' as smoke drifts towards US Where are the wildfires and how did they start? There are currently 858 wildfires actively burning across Canada - nearly 200 of those in Ontario - according to the Canadian Interagency Forest Fire Centre. Along the northern edge of Minnesota there are 17 fires that are still burning and an emergency declaration is in place to help mobilise suppression efforts.


Jacobian-Velocity Bounds for Deployment Risk Under Covariate Drift

arXiv.org Machine Learning

We study long-horizon deployment of a frozen predictor under dynamic covariate shift. A time-domain Poincarรฉ inequality reduces temporal risk volatility to derivative energy, and a Jacobian-velocity theorem identifies directional tangent energy along the deployment path as the governing quantity under explicit along-path regularity and domination assumptions. Under low-rank drift, that quantity reduces to directional Jacobian energy in the drift subspace, motivating drift-aligned tangent regularization (DTR) and a matched monitoring proxy. Rather than smoothing the network isotropically, DTR penalizes sensitivity only along estimated drift directions. We validate the theorem-to-method pipeline in four experiments: a synthetic benchmark for the time-domain inequality, a controlled synthetic comparison against isotropic Jacobian regularization, and two frozen-deployment studies on the UCI Air Quality and Tetouan power-consumption datasets. DTR reduces risk volatility and directional gain in the controlled low-rank regime, beats isotropic smoothing there, and gives validation-selected deployment gains on both real datasets when the Air Quality drift subspace is estimated from target-orthogonal sensor motion. Moderate drift-subspace misspecification is tolerable while orthogonal misspecification largely removes the benefit.


Data centers under scrutiny by California lawmakers as fears rise about health and energy impacts

Los Angeles Times

Due to health and energy concerns, the California Legislature is considering bills to prohibit data centers from being exempted from the state's stringent environmental law and impose new tariffs on new major energy users that strain power supplies.



Amazon is blowing out LEVOIT air purifiers so you can filter out irritants

Popular Science

The air in your house sucks--fix it with these Amazon deals on air purifiers and humidifiers. We may earn revenue from the products available on this page and participate in affiliate programs. If your sinuses are staging a revolt or your living room smells suspiciously like last night's stir-fry, it's probably time to call in a serious air purifier. LEVOIT's lineup routinely tops our lists because models cover everything from compact bedroom workhorses to family-room heavy hitters, and these Amazon deals are a chance to upgrade your home air quality before the next wave of wildfire smoke, pet shedding, or pollen hits. And there are also humidifiers on sale.


Lightweight ML-Based Air Quality Prediction for IoT and Embedded Applications

arXiv.org Artificial Intelligence

This study investigates the effectiveness and efficiency of two variants of the XGBoost regression model, the full-capacity and lightweight (tiny) versions, for predicting the concentrations of carbon monoxide (CO) and nitrogen dioxide (NO2). Using the AirQualityUCI dataset collected over one year in an urban environment, we conducted a comprehensive evaluation based on widely accepted metrics, including Mean Absolute Error (MAE), Root Mean Square Error (RMSE), Mean Bias Error (MBE), and the coefficient of determination (R2). In addition, we assessed resource-oriented metrics such as inference time, model size, and peak RAM usage. The full XGBoost model achieved superior predictive accuracy for both pollutants, while the tiny model, though slightly less precise, offered substantial computational benefits with significantly reduced inference time and model storage requirements. These results demonstrate the feasibility of deploying simplified models in resource-constrained environments without compromising predictive quality. This makes the tiny XGBoost model suitable for real-time air-quality monitoring in IoT and embedded applications.


VayuChat: An LLM-Powered Conversational Interface for Air Quality Data Analytics

arXiv.org Artificial Intelligence

Air pollution causes about 1.6 million premature deaths each year in India, yet decision makers struggle to turn dispersed data into decisions. Existing tools require expertise and provide static dashboards, leaving key policy questions unresolved. We present VayuChat, a conversational system that answers natural language questions on air quality, meteorology, and policy programs, and responds with both executable Python code and interactive visualizations. VayuChat integrates data from Central Pollution Control Board (CPCB) monitoring stations, state-level demographics, and National Clean Air Programme (NCAP) funding records into a unified interface powered by large language models. Our live demonstration will show how users can perform complex environmental analytics through simple conversations, making data science accessible to policymakers, researchers, and citizens. The platform is publicly deployed at https://huggingface.co/spaces/SustainabilityLabIITGN/ VayuChat. For further information check out video uploaded on https://www.youtube.com/watch?v=d6rklL05cs4.