keyword

is co2 bad for humans

Monthly search volume and cost-per-click data for "is co2 bad for humans" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=is+co2+bad+for+humans&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-17 | +--------------+------------------+

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
co2 levels	6,600	$3.05	12/20
is carbon dioxide bad	390	$0	13/20
is carbon dioxide harmful	320	$0.07	14/20
is carbon dioxide harmful to humans	140	$0	15/20
carbon dioxide harmful	140	$0	13/20
carbon dioxide bad for you	70	$0	14/20
is co2 harmful to humans	70	$0	14/20
is c02 bad for you	40	$0	14/20
is co2 good for humans	40	$0	13/20
why is carbon dioxide bad for humans	30	$0	16/20

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=is+co2+bad+for+humans&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