Keyword · US · updated 2026-05-25
humans breathe out co2
- Monthly searches
- 30
- CPC
- $0.00
- Competition
- 0
Also searched
Monthly average for US, from the Google Ads API: the same numbers you'd see in Google Ads.
Get this inside your AI assistant
Connect seodata.dev over MCP and Claude, ChatGPT or Muse can look up any keyword while they work. Ask in plain language, get these numbers back.
https://mcp.seodata.dev/mcp
20 free lookups a day, no account needed.
Related keywords
Keywords with overlapping search results. Similar volume and high overlap means the same search intent, so you can target either.
| Keyword | Volume | CPC | Overlap |
|---|---|---|---|
| what do we breathe out | 2,400 | $0.00 | 13/20 |
| do we breathe out carbon dioxide | 880 | $0.00 | 12/20 |
| do humans breathe out carbon dioxide | 480 | $0.00 | 13/20 |
| why do we breathe out carbon dioxide | 320 | $0.00 | 12/20 |
| do humans breathe out co2 | 70 | $0.00 | 16/20 |
| we exhale carbon dioxide | 70 | $0.00 | 14/20 |
| do humans exhale co2 | 50 | $0.00 | 14/20 |
| breathe out co2 | 30 | $0.00 | 15/20 |
| why do humans breathe out carbon dioxide | 30 | $0.00 | 14/20 |
| we breathe out co2 | 30 | $0.00 | 13/20 |
For AI agents: query this keyword over HTTP
$ curl "https://api.seodata.dev/v1/keyword?q=humans+breathe+out+co2&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