Hawa Dawa Blog

HACK THE GAPS – Digital Solutions for the UN Sustainable Development Goals (SDGs): Hawa Dawa Wins WSA-Germany Award and Qualifies for UN WSA Global Award

Hawa Dawa won the WSA-Germany Award together with eight other participants in the competition of 378 submitted solutions. Hawa Dawa is the winner in the “Smart Settlement & UrbaniZation” category. Intelligent content combined with optimized use of state-of-the-art technology offers immense opportunities to close global and local divides and achieve UN SDGs. Hawa Dawa was […]

Hawa Dawa presents at ESA Industry Space Days 2020

During the introduction of the ESA Startup Competition, Hawa Dawa presented as one of the four winners. Watch the video here and learn more about the ESA Startup Competition background.

How to market a data-driven cleantech product – interview with Karim Tarraf in The Green Techpreneur

In the interview with The Green Techpreneur, Karim Tarraf, CEO of Hawa Dawa, explains Hawa Dawa’s mission and business: There are few things more essential to life than the air we breathe. But getting a breath of fresh air today has become a rarity – nine out of 10 people worldwide are inhaling polluted air. It’s become […]

Podcast: Hawa Dawa is an Environment Intelligence company – Originally founded to help asthma patients

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Do the positive effects of the Corona Lock-Down offset the health issues caused by the pandemic?

A deeper analysis for Munich The COVID-19 pandemic has infected about 13 million people and claimed more than 550 thousand deaths worldwide by 14 July 2020. It has been reported in research that high air pollution may be “one of the most important contributors to deaths from COVID-19”. Studies show a positive correlation between particulate […]

Hawa Dawa among the four winners of the ESA Startup Competition

The four winning startups were selected from a total of 101 applicants. Over a period of two months they were judged on the team, business model, societal impact of the project and usefulness, and quality of the proposal.

The long overdue paradigm shift towards a healthy, carbon neutral economy starts with cleaning our air

For the first time in human history, the technology exists today to monitor every single emission – of every city, every airport, every harbour, every street, every factory, industry park and wildfire. At our disposal are tools to hold those accountable that do not adhere to environmental commitments and those using their resources lavishly.

Technical Background for Air Quality Sensors

Hawa Dawa has been producing measuring devices for comprehensive air quality measurement for several years.
In the following, we would like to try to present the technical complexity of air-pollutant measurement in a simple way and to give indications on this basis, which limits the individual devices and methods have.

AZO Innovator of the Month: Hawa Dawa – Paving Ways to Tackle Urban Air Pollution

The AZO Anwendungszentrum GmbH Oberpfaffenhofen, an international networking and branding company for European space programmes, featured Hawa Dawa as “Innovator of the Month”. Read the full article here 

Time series comparison of pre- and post-lockdown for German cities

In general all graphs show that the mean NO2 concentration after the lockdown date has decreased – at some stations the effect is larger than at others. Concentration peaks with similar amplitudes, compared to before the lockdown, persist. The overall patterns would require a more detailed analysis of the locations e.g. considering mobility behaviour.

Cities at the Forefront of Air Quality: Interview with Karim Tarraf, CEO of Hawa Dawa

In the days of Covid-19, “air quality” is a topic in the media, too. Municipalities are often pioneers in pushing for improvements. Decisions must be made in complex social contexts and measures must be integrated into larger plans. Here’s an interview with Karim Tarraf, CEO of Hawa Dawa, in which he comments on the following topics:
How can the increasing importance of air quality data be explained?
Why are the available measurements and data usually insufficient?
What does cooperation with municipalities look like?

Time series comparison of pre- and post-lockdown for sample cities show that the lockdown impact on NO2 concentrations varies

Cities worldwide have been imposing lockdowns due to coronavirus, leading to traffic reductions and related to that, less NO2 pollution. The strength of the effect is not the same everywhere, being dependent on a number of variables, such as pollution levels and amount of traffic before the lockdown at the particular location, fleet composition, weather conditions and topography and urban architecture.