seodata.dev

keyword

nitrogen oxides

Monthly search volume and cost-per-click data for "nitrogen oxides" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=nitrogen+oxides&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $4.21 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
nitrogen oxide 8,100 $4.21 20/20
what is nox 1,900 $0 17/20
what is nitrogen oxides 1,900 $0 16/20
what is nitrogen oxide 1,900 $0 14/20
nox gas 880 $1.41 20/20
nitrogen oxide gas 880 $0 14/20
nitrogen oxide meaning 210 $0 15/20
nitrogen oxides description 210 $0 14/20
what are nitrogen oxides 170 $0 16/20
nitrogen oxides nox 170 $0 15/20

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=nitrogen+oxides&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