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Paruso Journal
Longreads on air quality, pollen and UV across Europe - the science behind the numbers you check every day.
The UV index decoded - how to read it and use it day to day
Every summer it climbs higher than any other number on your Paruso page, yet it is the most misread. The UV index measures the sun’s burning power, not the heat - here is how to turn it into a simple daily habit.
Read the article →What the European AQI actually measures - PM2.5, NO₂ and ozone
That one word at the top of every Paruso city page hides five pollutants, six colour bands and a single rule: the worst pollutant wins. Here is how the European Air Quality Index is built - and how to read it.
Read the article →Pollen seasons are getting longer - the climate connection
Hay fever now starts earlier and drags on later than it did a generation ago. The reason is not random: a warming climate is stretching the pollen calendar and loading the air with more grains.
Read the article →Why summer air turns bad in Athens - and across southern Europe
A cloudless summer sky looks like clean air, but the heat is quietly cooking ground-level ozone. Why Athens gets hit hardest, and how to plan around it.
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