keyword

effects of inhaling co2

Monthly search volume and cost-per-click data for "effects of inhaling co2" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=effects+of+inhaling+co2&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-16 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
what happens if you inhale carbon dioxide	390	$0	12/20
harmful effects of carbon dioxide on humans	260	$0	12/20
co2 side effects	140	$0	13/20
carbon dioxide exposure	90	$0	12/20
carbon dioxide inhalation	90	$0	12/20
carbon dioxide side effects	90	$0	12/20
effects of co2 exposure	70	$0	13/20
health effects of co2	70	$0	12/20
is carbon dioxide dangerous to breathe	30	$0	14/20
inhaling carbon dioxide effects	30	$0	13/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=effects+of+inhaling+co2&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt