[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003ePollutants are particles and gases in the air that can be harmful to people's health in high concentrations.\u003c/p\u003e\n"],["\u003cp\u003eThe Air Quality API provides information on common air pollutants, including their concentration, dominant type, sources, and effects.\u003c/p\u003e\n"],["\u003cp\u003eSupported pollutants include carbon monoxide, benzene, ozone, ammonia, and particulate matter, among others, measured in ppb or μg/m³.\u003c/p\u003e\n"]]],[],null,["# Pollutants\n\nWhat is a pollutant?\n--------------------\n\nPollutants are particles and gasses in the air that, in high concentration, can\nbe harmful to people's health.\n\nReported pollutants\n-------------------\n\nThe Air Quality API supports the most common pollutants.\n\nPollutants information includes:\n\n- Dominant pollutant\n- Concentration\n- Sources \\& Effects\n\n| Code | Display Name | Full Name | Units Measured |\n|------|--------------|---------------------------------------|----------------|\n| co | CO | Carbon monoxide | ppb |\n| c6h6 | C6H6 | Benzene | μg/m³ |\n| ox | OX | Photochemical oxidants | ppb |\n| o3 | 3 | Ozone | ppb |\n| nh3 | NH3 | Ammonia | ppb |\n| nmhc | NMHC | Non-methane hydrocarbons | ppb |\n| no | NO | Nitrogen monoxide | ppb |\n| nox | NOX | Nitrogen oxides | ppb |\n| no2 | NO2 | Nitrogen dioxide | ppb |\n| p25 | P25 | Fine particulate matter (\\\u003c2.5µm) | μg/m³ |\n| pm10 | PM10 | Inhalable particulate matter (\\\u003c10µm) | μg/m³ |\n| so2 | SO2 | Sulfur dioxide | ppb |\n| trs | TRS | Total reduced sulfur | μg/m³ |"]]
