seodata.dev

keyword

breath carbon dioxide

Monthly search volume and cost-per-click data for "breath carbon dioxide" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=breath+carbon+dioxide&country=us" +--------------+------------------+ | volume | 320 | | 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
carbon dioxide in blood high 8,100 $0.02 9/20
high co2 in blood 8,100 $0.02 9/20
co2 high 4,400 $0.01 9/20
what do we breathe out 2,400 $0 10/20
breathing carbon dioxide 320 $0 10/20
carbon dioxide breath 320 $0 10/20
carbon dioxide and breathing 320 $0 9/20
carbon dioxide breathing 320 $0 9/20
carbon dioxide in breath 320 $0 9/20
can you breathe carbon dioxide 110 $0 9/20

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=breath+carbon+dioxide&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