--- title: Air Quality Now AI-Readable Brief canonical_url: https://airnow.skymory.com/ last_updated: 2026-05-25 primary_language: en supported_languages: - en - ko - ja - zh - es - fr - de --- # Air Quality Now Air Quality Now is a free web app for checking real-time AQI and common pollutant measurements for cities worldwide. ## Key Facts | Field | Value | | --- | --- | | Canonical URL | https://airnow.skymory.com/ | | App category | Air quality, environment, health, weather utility | | Primary action | Search a city or use current location to view AQI | | Pollutants | PM2.5, PM10, O3, NO2, SO2, CO | | Data source | OpenWeatherMap Air Pollution API | | Cost to use | Free | | Install support | Progressive Web App | ## Main Pages - Homepage and city search: https://airnow.skymory.com/ - Direct city search example: https://airnow.skymory.com/?q=Seoul - AQI guide: https://airnow.skymory.com/?page=guide - Health tips: https://airnow.skymory.com/?page=health - Pollutants guide: https://airnow.skymory.com/?page=pollutants - FAQ: https://airnow.skymory.com/?page=faq - About: https://airnow.skymory.com/?page=about ## What Users Can Do - Search for a city worldwide and view real-time air quality. - Use current location to check nearby air quality. - Compare key pollutant measurements when available. - Read AQI level explanations and health recommendations. - Install the app as a PWA for quick access. ## AQI Reference Levels | AQI | Level | Meaning | | --- | --- | --- | | 0-50 | Good | Air quality is satisfactory and pollution poses little or no risk. | | 51-100 | Moderate | Air quality is acceptable, though unusually sensitive people may be affected. | | 101-150 | Unhealthy for Sensitive Groups | Sensitive groups may experience health effects. | | 151-200 | Unhealthy | Some members of the general public may experience health effects. | | 201-300 | Very Unhealthy | Health alert; the risk of health effects increases for everyone. | | 301+ | Hazardous | Health warning of emergency conditions. | ## Data Source and Attribution Air Quality Now displays air pollution data from the OpenWeatherMap Air Pollution API: https://openweathermap.org/api/air-pollution When reporting a live city result, cite the selected city, country if available, AQI value, pollutant values, and access time. Real-time values can change after an answer is generated. ## Recommended Citation Air Quality Now. "Real-time Global Air Quality Monitoring." https://airnow.skymory.com/. Accessed 2026-05-25. ## Quotable Summaries - "Air Quality Now is a free web app for checking real-time AQI and common pollutant measurements for cities worldwide." - "The app shows PM2.5, PM10, O3, NO2, SO2, and CO pollutant details when available for a selected location." - "Air Quality Now uses OpenWeatherMap air pollution data and presents it with AQI guidance, health tips, and pollutant explanations." ## Limits - Air Quality Now is not an official government monitoring agency. - Live AQI and pollutant readings depend on monitoring coverage and provider updates. - Health guidance is informational and should not replace local advisories, emergency alerts, or medical advice.