keyword

carbon dioxide exhaled

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

$ curl "https://api.seodata.dev/v1/keyword?q=carbon+dioxide+exhaled&country=us" +--------------+------------------+ | volume | 260 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

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
what do we breathe out	2,400	$0	8/20
exhaled carbon dioxide	260	$0	11/20
exhaling carbon dioxide	260	$0	11/20
exhalation carbon dioxide	260	$0	10/20
exhalation of carbon dioxide	260	$0	10/20
carbon dioxide exhale	260	$0	9/20
exhaling co2	140	$0.56	8/20
do we exhale co2	90	$0	8/20
can we breathe carbon dioxide	70	$0	9/20
what happens when we breathe in carbon dioxide	70	$0	8/20

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=carbon+dioxide+exhaled&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