image description: image of a person happy-crying with the text: me when my city's AQI is "unhealthy" and not "dangerous"
on the bottom is a screenshot of a weather app showing AQI of 110 and labeled unhealthy
on that topic - where does the O³ come from?
Ah apparently, it is more common to occur naturally in the countyside because the NOx from fossil fuels will react with the ozon to create NO² and O².
on that topic - where does the O³ come from?
Ah apparently, it is more common to occur naturally in the countyside because the NOx from fossil fuels will react with the ozon to create NO² and O².