Why is impossible to find out what the oxygen levels are in a particular city? Or can we?

Question

The falling oxygen levels in our cities is of great concern to me and my friends but we cannot find the details anywhere.

Is this a conspiracy or where can we find out such details?

We live in Bangkok.

Answer 1

dont be fooled, its 30% give or take

Answer 2

The composition of the atmosphere is 78% nitrogen and 21% oxygen.  This is the same everywhere on Earth, even on mountaintops and in cities.  Nobody publishes "oxygen levels" because they never change.

The remaining 1% of the atmosphere has other gasses.  Some of these gasses are variable, such as carbon dioxide, water vapor, and pollution.

The air we breathe has oxygen (O2—two atoms of oxygen) in it.  There is a gas called ozone, which is also made from oxygen, but is O3 (three atoms of oxygen) instead.  It is a type of air pollution often found in cities.  Could this be what you're really looking for?

Perhaps, but you talked about falling oxygen levels.  Falling ozone levels is very good!  I don't think the oxygen levels are falling.  They're staying at 21% like they have for a billion years.  Most organisms would die at a 20% concentration of oxygen, and at 22% concentration, many things tend to catch fire.

Answer 3

Hi there after reading your question its drawn me into trying to find out for you but your right i can not find this out any where on the web i have looked for two days now and think your right with the conspiracy thing is there any one out there that can help i will be watching this as iam so interested now