seodata.dev

keyword

harmful effects of carbon dioxide on humans

Monthly search volume and cost-per-click data for "harmful effects of carbon dioxide on humans" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=harmful+effects+of+carbon+dioxide+on+humans&country=us" +--------------+------------------+ | volume | 260 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-28 | +--------------+------------------+
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
effect of carbon dioxide on humans 140 $0 16/20
carbon dioxide effects on humans 140 $0 15/20
carbon dioxide harmful 140 $0 15/20
effects of carbon dioxide on humans 140 $0 15/20
health effects carbon dioxide 110 $0 15/20
health effects of carbon dioxide 110 $0 14/20
effects of co2 on humans 90 $0 15/20
co2 effect on humans 90 $0 14/20
is carbon dioxide dangerous for humans 90 $0 14/20
how does carbon dioxide affect humans 30 $0 14/20

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=harmful+effects+of+carbon+dioxide+on+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