SmogRank / World / Poland / Łódź Voivodeship / 2023
Most polluted cities in Łódź Voivodeship, Poland, 2023
No city in Łódź Voivodeship, Poland had measurements on 70% of the days, so 2023 has no board for Łódź Voivodeship, Poland.
OpenAQ's archive, where our readings come from, has almost none for 56 of these 365 days. Cities in the United States and Europe have them from the EPA's and the European Environment Agency's own records of the same monitors; elsewhere a city's average is over its other days. Why.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, 2023 · All cities in Poland, 2023 · Łódź Voivodeship now