THE COMPOSITION OF AIR

99.998% of air
COMPONENTS; VOLUME
- Nitrous Oxide
0.5 per million parts
- Xenon
0.09 per million parts
- Ozone
0.07 per million parts
- Nitrogen Dioxide
0.02 per million parts
- Iodine
0.01 per million parts
- Carbon monoxide
Trace
- Ammonia
Trace

the other 0.001% of air
COMPONENTS; VOLUME
- Neon
18.2 per million parts
- Helium
5.2 per million parts
- Krypton
1.1 per million parts
- Sulfur Dioxide
1.0 per million parts
- Methane
2.0 per million parts
- Hydrogen
0.5 per million parts
- Nitrous Oxide
0.5 per million parts
- Xenon
0.09 per million parts
- Ozone
0.07 per million parts
- Nitrogen Dioxide
0.02 per million parts
- Iodine
0.01 per million parts
- Carbon monoxide
Trace
- Ammonia
Trace