Air quality

Impact of covid-19 on air quality in catalonia

Has air quality improved during the lockdown?

Meteosim   Air quality . General
DETAIL

Low Emission Zones

What is a Low Emission Zone (LEZ)?
An LEZ is a defined area within a city where access to the most polluting vehicles is restricted to reduce emissions and improve air quality.

Meteosim   Air quality . General
DETAIL

World most polluted cities

Air pollution represents one of the most important health risks that currently exist. It is estimated that environmental pollution by fine particulate matter (PM2.5) contribute to 4.2 million premature deaths worldwide during 2016 (source: World Health Organization, WHO).

Meteosim   Air quality
DETAIL

The emissions model

Nowadays we are able to forecast the levels of contamination in a region by using the air quality (AQ) models. These models can reproduce the main agents that influence the air pollution, like the meteorological […]

Meteosim   Air quality . General
DETAIL

Sand storms, megacities and intense industrial activity

What happens to air quality levels when these three factors come together? According to the World Health Organization the most polluted cities in the world are Zabol (Iran), Gwalior (India), Allahabad (India), Riyadh (Saudi Arabia) […]

Meteosim   Air quality
DETAIL

Dust: when pollution comes from deserts

Impact of the dust storm in air quality and mitigation measures.   What is natural dust? When we talk about natural dust, we are referring to a mixture of solid particles that are suspended in […]

Meteosim   Air quality
DETAIL

Heat island: air quality impacts

Climatic geoengineering measures in urban environments: impact on air quality Is it possible to reduce the temperature of a heat island? Asphalt, buildings or the nonexistence of green spaces are the main cause of the […]

Meteosim   Air quality
DETAIL

New air quality paper published by Meteosim

Meteosim, in collaboration with the Polytechnic University of Catalonia (UPC) and the University of Las Palmas de Gran Canaria (ULPGC), published an interesting article in which it analyses and evaluates the coupling between a photochemical model and a model of finite elements of application on air quality. This study was previously presented at the prestigious HARMO congress in its 2017 edition.

Meteosim   Air quality
DETAIL