Unités de mesure de cette concentration de polluant.
value
number
Valeur de la concentration du polluant.
Unité
Définit l'unité utilisée pour mesurer la concentration du polluant. Pour déterminer l'unité de concentration par défaut d'un polluant donné, consultez le tableau de la section Polluants signalés.
Enums
UNIT_UNSPECIFIED
Unité de concentration non spécifiée.
PARTS_PER_BILLION
Unité de concentration (parts par milliard).
MICROGRAMS_PER_CUBIC_METER
La valeur "μg/m^3" (microgrammes par mètre cube) unité de concentration.
AdditionalInfo
Sources d'émissions et effets sur la santé d'un polluant donné.
Représentation JSON
{"sources": string,"effects": string}
Champs
sources
string
Texte représentant les principales sources d'émission du polluant.
effects
string
Texte représentant les principaux effets du polluant sur la santé.
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2025/08/31 (UTC).
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Il n'y a pas l'information dont j'ai besoin","missingTheInformationINeed","thumb-down"],["Trop compliqué/Trop d'étapes","tooComplicatedTooManySteps","thumb-down"],["Obsolète","outOfDate","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Mauvais exemple/Erreur de code","samplesCodeIssue","thumb-down"],["Autre","otherDown","thumb-down"]],["Dernière mise à jour le 2025/08/31 (UTC)."],[[["\u003cp\u003eThe Air Quality Pollutant data provides information about a specific pollutant, including its code, display name, full name, concentration, and additional information.\u003c/p\u003e\n"],["\u003cp\u003ePollutant concentration is measured using standardized units like parts per billion (ppb) or micrograms per cubic meter (µg/m^3) and includes a numerical value representing the concentration level.\u003c/p\u003e\n"],["\u003cp\u003eAdditional information about the pollutant includes details about its main emission sources and potential health effects.\u003c/p\u003e\n"],["\u003cp\u003eThe pollutant's code name can be used to identify it and find more information about it in the reported pollutants documentation.\u003c/p\u003e\n"],["\u003cp\u003ePollutant concentration is measured and reported using standard units.\u003c/p\u003e\n"]]],["This data defines air quality pollutants, detailing their properties and measurement. Each pollutant has a `code`, `displayName`, and `fullName`. The `concentration` is measured with `units` and a `value`. Units can be `PARTS_PER_BILLION` or `MICROGRAMS_PER_CUBIC_METER`. `AdditionalInfo` includes `sources` of emission and the pollutant's `effects` on health. This data includes information on specific pollutant names, concentration data, and related information.\n"],null,["# Pollutant\n\n- [JSON representation](#SCHEMA_REPRESENTATION)\n- [Concentration](#Concentration)\n - [JSON representation](#Concentration.SCHEMA_REPRESENTATION)\n- [Unit](#Unit)\n- [AdditionalInfo](#AdditionalInfo)\n - [JSON representation](#AdditionalInfo.SCHEMA_REPRESENTATION)\n\nData regarding an air quality pollutant.\n\n| JSON representation |\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ``` { \"code\": string, \"displayName\": string, \"fullName\": string, \"concentration\": { object (/maps/documentation/air-quality/reference/rest/v1/Pollutant#Concentration) }, \"additionalInfo\": { object (/maps/documentation/air-quality/reference/rest/v1/Pollutant#AdditionalInfo) } } ``` |\n\n| Fields ||\n|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `code` | `string` The pollutant's code name (for example, \"so2\"). For a list of supported pollutant codes, see [Reported pollutants](/maps/documentation/air-quality/pollutants#reported_pollutants). |\n| `displayName` | `string` The pollutant's display name. For example: \"NOx\". |\n| `fullName` | `string` The pollutant's full name. For chemical compounds, this is the IUPAC name. Example: \"Sulfur Dioxide\". For more information about the IUPAC names table, see \u003chttps://iupac.org/what-we-do/periodic-table-of-elements/\u003e. |\n| `concentration` | `object (`[Concentration](/maps/documentation/air-quality/reference/rest/v1/Pollutant#Concentration)`)` The pollutant's concentration level measured by one of the standard air pollutation measure units. |\n| `additionalInfo` | `object (`[AdditionalInfo](/maps/documentation/air-quality/reference/rest/v1/Pollutant#AdditionalInfo)`)` Additional information about the pollutant. |\n\nConcentration\n-------------\n\nThe concentration of a given pollutant in the air.\n\n| JSON representation |\n|---------------------------------------------------------------------------------------------------------------|\n| ``` { \"units\": enum (/maps/documentation/air-quality/reference/rest/v1/Pollutant#Unit), \"value\": number } ``` |\n\n| Fields ||\n|---------|---------------------------------------------------------------------------------------------------------------------------------------|\n| `units` | `enum (`[Unit](/maps/documentation/air-quality/reference/rest/v1/Pollutant#Unit)`)` Units for measuring this pollutant concentration. |\n| `value` | `number` Value of the pollutant concentration. |\n\nUnit\n----\n\nDefines the unit used to measure the pollutant's concentration. To determine the default unit of concentration for a given pollutant, refer to the table in [Reported pollutants](/maps/documentation/air-quality/pollutants#reported_pollutants).\n\n| Enums ||\n|------------------------------|----------------------------------------------------------------|\n| `UNIT_UNSPECIFIED` | Unspecified concentration unit. |\n| `PARTS_PER_BILLION` | The ppb (parts per billion) concentration unit. |\n| `MICROGRAMS_PER_CUBIC_METER` | The \"µg/m\\^3\" (micrograms per cubic meter) concentration unit. |\n\nAdditionalInfo\n--------------\n\nThe emission sources and health effects of a given pollutant.\n\n| JSON representation |\n|--------------------------------------------------|\n| ``` { \"sources\": string, \"effects\": string } ``` |\n\n| Fields ||\n|-----------|-------------------------------------------------------------------|\n| `sources` | `string` Text representing the pollutant's main emission sources. |\n| `effects` | `string` Text representing the pollutant's main health effects. |"]]
