seodata.dev

keyword

co2 levels in blood

Monthly search volume and cost-per-click data for "co2 levels in blood" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=co2+levels+in+blood&country=us" +--------------+------------------+ | volume | 5,400 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
co2 blood test 33,100 $0.02 20/20
co2 in blood test 33,100 $2.01 20/20
carbon dioxide in blood low 22,200 $0 20/20
carbon dioxide low in blood 22,200 $0 20/20
low carbon dioxide in blood 22,200 $0 20/20
co2 blood test low 18,100 $0 20/20
low co2 in blood 18,100 $0.01 20/20
carbon dioxide low 12,100 $0 20/20
co2 low 12,100 $0.02 20/20
carbon dioxide blood test 9,900 $0 20/20

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://app.seodata.dev/v1/keyword?q=co2+levels+in+blood&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt