SmogRank / World / South Africa / North West / February 2023

Most polluted cities in North West, South Africa, February 2023

No city in North West, South Africa had measurements on 70% of the days, so February 2023 has no board for North West, South Africa.

OpenAQ's archive, where our readings come from, has almost none for 25 of these 28 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; many cities elsewhere are missing from this board, not clean. Why.

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, February 2023 · All cities in South Africa, February 2023 · North West now