keyword

do you exhale co2

Monthly search volume and cost-per-click data for "do you exhale co2" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=do+you+exhale+co2&country=us" +--------------+------------------+ | volume | 20 | | 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
what do we breathe out	2,400	$0	10/20
why do we exhale co2	40	$0	9/20
do humans produce carbon dioxide when breathing	30	$0	12/20
do we exhale carbon dioxide or carbon monoxide	30	$0	9/20
humans breathe out co2	30	$0	9/20
carbon dioxide in human breath	20	$0	12/20
human breathing carbon dioxide	20	$0	11/20
how much co2 do you exhale	20	$0	10/20
do people exhale carbon monoxide	10	$0	10/20
how much carbon dioxide do we exhale in one breath	10	$0	10/20

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=do+you+exhale+co2&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