Happy New Year 2021 from Athens!

Happy New Year 2021 from Athens! We enjoyed very nice fireworks at the turn of the year, like in most cities of the world. Needless to say it, Air Pollution had a big spike at midnight due to the smoke from the fireworks. Have a look at the Particulate Matter PM2,5 graphs that show itContinue reading “Happy New Year 2021 from Athens!”

After the Storm came… Clean Air!

The strong winds and rain (and snow above 1000m in W Greece) of yesterday and today thoroughly cleaned the Air over most of the country, something that was really needed especially in cities like Larissa, Ioannina and many other smaller cities and villages that have been suffering from very bad air quality for several weeksContinue reading “After the Storm came… Clean Air!”

A visual explanation of why residential heating with wood and fossil fuels belongs to the past

Hard to think that such a beautiful, day with such a nice and clean air, has to end up into such a disastrous night… Particulate matter PM2,5 was around 120 μg/m3 in Thiseio and above 200 μg/m3 in Chalandri at midnight yesterday. These are very dangerous levels of Air Pollution that we should never haveContinue reading “A visual explanation of why residential heating with wood and fossil fuels belongs to the past”

Jupiter and Saturn (almost) meet in the sky

A photo that I could not take two days ago, when Saturn and Jupiter were at their closest point, because of a cloudy sky. It does not matter so much, I took it today. There are 9 planets (or 8 if you consider Pluto only a dwarf planet) in our solar system. Only one hasContinue reading “Jupiter and Saturn (almost) meet in the sky”

Foggy days

Foggy days in northern Greece. If this might look cool from above the fog – see an article here https://epirusonline.gr/eidiseis/ipeiros/omichli-skepase-ta-ioannina/, the situation is not so rosy below the fog blanket. In fact, fog in winter in or cities and villages means something more like smog (the word comes from smoke and fog, not surprisingly…), whichContinue reading “Foggy days”


What do Athens and the Gialova Lagoon (Pylos) in the pictures have in common, except for the beautiful rainbows? Clean Air! Rain brings clean air to our cities. Most of the people living in Greek cities don’t like the rain, but here is one reason why we should see things differently… Just have a lookContinue reading “Rain!”

The importance of independent Air Quality (AQ) Monitoring Stations – – 1 – Outdoor Monitors

External AQ sensors: sensors that can be placed outside a home, office, school, etc. by anyone. We start this blog with a post on the importance of independent external Air Quality (AQ) Monitoring Stations, which are the most important tools we can rely on today in order to know what kind of air we areContinue reading “The importance of independent Air Quality (AQ) Monitoring Stations – – 1 – Outdoor Monitors”