SmogRank / History / City race

Cities in Italy, 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.

CountriesCities
The 30 days to25 May 2023 That day's board

The worst cities in Italy for PM2.5 over the 30 days to 25 May 2023: Benevento 19.0 µg/m³, Pesaro 14.5 µg/m³ and Modugno 12.0 µg/m³.

  1. 1BeneventoCampania19.0
  2. 2PesaroThe Marches14.5
  3. 3ModugnoApulia12.0
  4. 4AlessandriaPiedmont11.9
  5. 5NaplesCampania11.5
  6. 6ChiaravalleThe Marches11.5
  7. 7JesiThe Marches11.2
  8. 8CrescentinoPiedmont11.2
  9. 9Falconara MarittimaThe Marches10.2
  10. 10San Pietro VernoticoApulia9.6
  11. 11TrentoTrentino-Alto Adige8.4
  12. 12RoveretoTrentino-Alto Adige8.3
  13. 13Ceglie MessapicaApulia8.1
  14. 14TurinPiedmont8.0
  15. 15SalernoCampania7.4
  16. 16LaivesTrentino-Alto Adige7.1
  17. 17BolzanoTrentino-Alto Adige7.1
  18. 18Borgo ValsuganaTrentino-Alto Adige6.8
  19. 19Porto Potenza PicenaThe Marches6.7
  20. 20Civitanova MarcheThe Marches6.7

+ 1 more city, at 6.0 µg/m³

Not counted on this day, too few days measured: La Spezia since 20 May 2023, Cairo Montenotte since 15 May 2023, Ancona since 15 Apr 2023 and 20 more cities.

30 days7 days
GoodModerateSensitive groupsUnhealthyVery unhealthyHazardousWHO 24-hour guideline, 15 µg/m³Fades where it stood: not counted that 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.