A region is considered "nonattainment" of an air quality standard (NAAQS) if its estimated exceedance rate of the NAAQS is more than once per year over three years. Exceedances are counted in terms of days.
Source: wiktionary
Exceedance
//ɛkˈsiːdn̩s//
Synonyms for "exceedance"
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
2 entriesderived from
1 entrieshas context
1 entriesis a
1 entriesrelated to
3 entriesTranslations
1 translations across 1 languages.
Spanish
1 entries- excedencia noun (Translations)
Sample sentences
4 total sentences available.
1997 December, US General Accounting Office, Aviation Safety: Efforts to Implement Flight Operational Quality Assurance Programs, GAO/RCED-98-10, Report to Congressional Requesters, page 24, On a periodic basis, airlines aggregate and analyze exceedances over time—for example, the number of unstabilized approaches at a particular airport per month, over the last 12 months.
Source: wiktionary
As defined in Chapter 2, an exceedance probability curve is a graphical representation of the probability that a certain level of loss will be exceeded over a future time period.
Source: wiktionary
"Exceedances are decommissioned while they undergo remediation," Ms Hammat said.
Source: wiktionary
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.