VIRTUAL DEBATE: How will 5G assist a rapidly urbanising world?

How can 5G be used to improve life in cities, and address the urban challenges of mobility, public health, ageing, city-planning, and resilience.

WEBINAR: Smart technology and the pandemic: how digital twins are central to cities' strategies

Learn how digital twin technology has played a key role in helping cities to deal with the Covid-19 pandemic & what role it can play in the future.

Free flows: New Jersey turns to AI to safeguard water quality

In a guest post, Tiffany Stewart, Assistant Director Newark, N.J. Water & Sewer Department, outlines which technologies are helping it protect its water supply.

Smart City Expo: think digital, think green, think inclusion

The first day of the online event confirmed that the smart cities sector is well aware of its destination but it’s how it gets there that will be the problem.

SmartCitiesWorld City Profile – Sunderland

Find out how Sunderland is repositioning itself as a leading smart city – using digital infrastructure and low-carbon innovation to build a resilient, future-focused economy in the latest SmartCitiesWorld City Profile.

SmartCitiesWorld City Profile – Sydney

In 2020, the City of Sydney released a Smart City Strategic Framework to harness the opportunities brought about by digital disruption, to plan for uncertainty and to sustain a global reputation as a leading place to live, work, learn and visit.

Podcasts

Urban Exchange Podcast Episode 27 - Life-saving action on extreme heat

Episode 27 of the Urban Exchange takes us to Ahmedabad to discover how the city’s heat action plan has served as a model for India and beyond.

Urban Exchange Podcast Episode 26 - Championing urban heat resilience: Global Chief Heat Officer Eleni Myrivili

The Urban Exchange welcomes Eleni Myrivili, Global Chief Heat Officer for UN-Habitat and Atlantic Council, to discuss combatting urban heat at the local level.

Opinions

Reviving smart cities with edge computing and 5G

How can edge computing and 5G help cities rebuild post Covid? Two executives from Wipro explain how.

The future of smart city technologySponsored by Huawei

Imagination and vision is required to enable successful digital transformation in our cities, writes Huawei’s Nadim Abdulrahim.

22 - 26 June 2026: Find out more

Latest City Profile

SmartCitiesWorld City Profile – Sunderland

Smart Cities Reports

Find out how Sunderland is repositioning itself as a leading smart city – using digital infrastructure and low-carbon innovation to build a resilient, future-focused economy in the latest SmartCitiesWorld City Profile.

Latest Trend Report

Trend Report: Planning and operating thriving cities – innovation for smarter urban living

Trend Series

Download our latest report to uncover how artificial intelligence is being used to support cities in how they plan and operate city services to ensure they are vibrant, sustainable and economically thriving modern spaces.

Latest Webinar

Trend Report Panel Discussion (21 May): Operating smarter: using digital twins and AI to reshape urban infrastructure management

Webinars

Discover how AI-powered digital twins are transforming urban infrastructure and how these innovations can improve efficiency, resilience, and sustainability.

Latest Podcast

Cities Thriving on Lighting, Episode 2 – Simplicity by design in smart lighting

Podcasts

Discover the technology and considerations behind how cities can turn existing streetlight networks into secure, interoperable, and future‑proof infrastructure in the second episode of Cities Thriving on Lighting.

Latest Urban Exchange Podcast

Urban Exchange Podcast Episode 32 – Flood and energy resilience in Quezon City

Urban Exchange Podcast

Tune in for the latest Urban Exchange where we get a first-hand account of city resilience measures from Quezon City following unexpected extreme rainfall.

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Most Popular

Most city-dwelling Europeans exposed to unhealthy pollution levels

Orlando International Airport uses lidar-based crowd analytics to maximise safety

36 cities chosen to chart a course towards the future

Amsterdam adopts first ‘city doughnut’ model for circular economy

Sidewalk Labs shuts down Toronto smart city project

SmartCitiesWorld Newsletters (Daily/Weekly)

Our editorial newsletter pulls together our latest news items into one email, direct to your inbox. We also feature our latest city interviews, Special Reports and Guest Opinions.

Home | Energy & Environment | Air quality

Air quality

The latest news on air quality challenges and solutions for smart city projects across the world.

Chicago nears tree-planting target with 90 per cent achieved

Chicago nears tree-planting target with 90 per cent achieved

Parks and green space24 Nov 2025

Our Roots Chicago is a community-driven initiative to expand tree planting in the city, with a focus on underserved neighbourhoods with low tree canopy cover.

London plans to install air filters in polluted schools

London plans to install air filters in polluted schools

Air quality20 Feb 2024

City Hall research is underway to ascertain the best type of air filter that will be used with installation in the first pilot schools later this year.

Vancouver introduces Canada’s first electric fire engine

Vancouver introduces Canada’s first electric fire engine

Electric vehicles06 Dec 2023

Truck supports the City’s commitment to reduce fleet emissions and aligns with climate targets and aims to become resilient to fluctuating oil and gas prices.

City of Valencia backs IoT project to combat energy poverty

City of Valencia backs IoT project to combat energy poverty

Internet of Things10 Nov 2023

Project is leveraging IoT and decentralised wireless networks technology to gather real-time data about the wellbeing of Valencia’s most vulnerable citizens.

Boston uses smart city kiosks to provide air quality updates

Boston uses smart city kiosks to provide air quality updates

Air quality03 Aug 2023

Digital kiosk provider Soofa is working with Boston Environment Department to implement an air quality widget that provides access to vital health information.

How San Francisco is tackling extreme heat and air quality

How San Francisco is tackling extreme heat and air quality

Climate action21 Jul 2023

The Heat and Air Quality Resilience Plan outlines strategies to make the city more resilient to heat waves and wildfire smoke in the face of climate change.

£30m clean air initiative launches at London Climate Week

£30m clean air initiative launches at London Climate Week

Air quality26 Jun 2023

Breathe Cities is a partnership between Bloomberg Philanthropies, the Clean Air Fund, and C40 Cities to save lives, improve health, and reduce air pollution.

Soofa smart city kiosks expand hyperlocal customisation

Soofa smart city kiosks expand hyperlocal customisation

Citizen engagement22 Mar 2023

The latest release of the smart city communication tool aims to help municipalities be as agile as possible when delivering hyperlocal community information.

$67m funding boost for global Clean Air Fund

$67m funding boost for global Clean Air Fund

Air quality14 Mar 2023

The organisation says the funding will help galvanise commitments from city leaders, governments and the private sector to tackle pollution around the world.

Sheffield becomes latest UK city to launch clean air zone

Sheffield becomes latest UK city to launch clean air zone

Air quality27 Feb 2023

Sheffield’s Clean Air Zone will encourage those with the oldest, most polluting vehicles who regularly drive into the zone to upgrade to a cleaner vehicle.

Most Popular

ST Engineering to provide smart city platform for Lusail City

The company will build and operate a smart city platform with citywide network connectivity for the Qatar city using advanced AI and data-driven technologies.

Huawei seals smart city deal with Barcelona

They will collaborate on projects relating to 5G, smart city applications and digital transformation.

AI used to monitor and optimise Swedish road infrastructure

Computer vision and machine learning specialist, Univrses, will work with the Swedish Transport Administration to digitise and manage roadside infrastructure.

Public technology Portal sculpture unites Dublin and New York

Each sculpture features a 24/7 visual livestream from a Portal in the other city, allowing real-time interaction between Dubliners and New Yorkers and visitors.

Solar city goes live

Trina Solar’s PV modules have begun operations in the 10MW Sustainable City in Dubai, which aims to use only clean energy sources

SmartCitiesWorld Newsletters (Daily/Weekly)

Our editorial newsletter pulls together our latest news items into one email, direct to your inbox. We also feature our latest city interviews, Special Reports and Guest Opinions.

Guest Opinions

From smog to solutions: The case for cleaner air in our cities

Mete Coban, deputy mayor of London for energy and environment, and Jane Burston, CEO of the Clean Air Fund, discuss the ...

Why UK leaders must double-down on active travel promises

Xavier Brice, CEO of walking, wheeling and cycling charity, Sustrans, says the drive to net zero, cost-of-living crisis ...

Covid-19 will change cities but high rises are here to stay

The disruption of Covid-19 may not be enough to affect existing "mega-trends", writes Benoit Dupont, co-founder and CEO ...

Cities prepare for the electrification of transport in an ever-changing world

E-mobility is set to transform all aspects of transportation across the next decade as the technology becomes ...

5G’s importance for smart cities has been underplayed

Everyone talks about 5G hype but Kevin Hasley RootMetrics & IHS Markit argues that the importance of 5G to connected ...

We examined 885 European cities’ plans to tackle climate change – here’s what we found

Oliver Heidrich, Senior Researcher in Urban Resource Modelling, Newcastle University, and Diana Reckien, Associate ...

Smart cities: Reality check

There are some big ideas in smart cities, but are we making enough progress on the fundamentals?

Latest City Profile

SmartCitiesWorld City Profile – Sunderland

Smart Cities Reports

Find out how Sunderland is repositioning itself as a leading smart city – using digital infrastructure and low-carbon innovation to build a resilient, future-focused economy in the latest SmartCitiesWorld City Profile.

Latest Trend Report

Trend Report: Planning and operating thriving cities – innovation for smarter urban living

Trend Series

Download our latest report to uncover how artificial intelligence is being used to support cities in how they plan and operate city services to ensure they are vibrant, sustainable and economically thriving modern spaces.

Latest Webinar

Trend Report Panel Discussion (21 May): Operating smarter: using digital twins and AI to reshape urban infrastructure management

Webinars

Discover how AI-powered digital twins are transforming urban infrastructure and how these innovations can improve efficiency, resilience, and sustainability.

Latest Podcast

Cities Thriving on Lighting, Episode 2 – Simplicity by design in smart lighting

Podcasts

Discover the technology and considerations behind how cities can turn existing streetlight networks into secure, interoperable, and future‑proof infrastructure in the second episode of Cities Thriving on Lighting.

Latest Urban Exchange Podcast

Urban Exchange Podcast Episode 32 – Flood and energy resilience in Quezon City

Urban Exchange Podcast

Tune in for the latest Urban Exchange where we get a first-hand account of city resilience measures from Quezon City following unexpected extreme rainfall.

BECOME A MEMBER

Build your own Industry Resource Library
Gain access to all SmartCitiesWorld content
Make the most of Industry Webinar Events

Register Login

Most Popular

Most city-dwelling Europeans exposed to unhealthy pollution levels

Orlando International Airport uses lidar-based crowd analytics to maximise safety

36 cities chosen to chart a course towards the future

Amsterdam adopts first ‘city doughnut’ model for circular economy

Sidewalk Labs shuts down Toronto smart city project

SmartCitiesWorld Newsletters (Daily/Weekly)

Our editorial newsletter pulls together our latest news items into one email, direct to your inbox. We also feature our latest city interviews, Special Reports and Guest Opinions.

Special Reports

Smart City Expo: think digital, think green, think inclusion

Using the fourth space to help cities cope with Covid-19

Using the fourth space to help cities cope with Covid-19

How the holistic approach is central to the Covid-19 recovery

How the holistic approach is central to the Covid-19 recovery

City Profiles

Smart Cities Reports