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keyword

carbon dioxide in breath

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

$ curl "https://app.seodata.dev/v1/keyword?q=carbon+dioxide+in+breath&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
breathing carbon dioxide 320 $0 15/20
carbon dioxide and breathing 320 $0 13/20
carbon dioxide breath 320 $0 13/20
carbon dioxide breathing 320 $0 13/20
breathing co2 210 $1.46 13/20
co2 and breathing 210 $0 13/20
breathing and co2 210 $1.46 12/20
exhaling co2 140 $0.56 12/20
can we breathe carbon dioxide 70 $0 12/20
what happens when we breathe in carbon dioxide 70 $0 12/20

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=carbon+dioxide+in+breath&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