SmogRank / History / City race
Cities in Romania, worst air first, day by day
Each measured city's average over the 30 days to every day since January 2023, worst first. Find your own city to follow it through the race, or keep to one country.
The worst cities in Romania for PM2.5 over the 30 days to 25 Apr 2023: Iaşi 14.3 µg/m³, Bucharest 13.1 µg/m³ and Jilava 12.7 µg/m³.
- 1IaşiIași County14.3
- 2BucharestBucharest13.1
- 3JilavaIlfov12.7
- 4HolbocaIași County11.7
- 5Cluj-NapocaCluj County11.6
- 6BaloteştiIlfov10.8
- 7CraiovaDolj9.9
Not counted on this day, too few days measured: Voluntari since 30 Mar 2023, Popeşti-Leordeni since 30 Mar 2023 and Buftea since 30 Mar 2023. Days missing from the source archive fall in this window, so fewer countries are counted.
Cities counted each day
A city's number is its average over the 30 days, shown only when 21 of them were measured (5 of 7 on the 7-day race), the same minimum as the 30- and 7-day boards. A city whose monitors go quiet fades out where it stood rather than sliding down, so a gap never reads as cleaner air. Some large countries are thin or missing because their monitors' licences don't allow reuse. How we rank.
Not covered: the government monitoring networks of China and Turkey, which publish only on their own websites; we are building the readers for them. Most cities there are missing from this board, not clean. Why.