Can air quality vary significantly within a city?

This map shows fine particle pollution from wildfires and other sources. It does not show air toxics or other pollutants. For ozone, go to AirNow. Oct 13, 2017 ... Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the "Hazardous category." See additional information on ... Jun 28, 2023 ... The Air Quality Index, set by the Environmental Protection Agency, is your guide to how bad the air quality is outdoors. Air Quality Index · Air Quality Daily Forecast for 5/2/25: · Air Quality Index: 57 · Descriptor: Moderate · Major Pollutant: Ozone · Empty heading. Regional AQI ... Addition of the Air Quality Index to asthma action plans led to improved asthma control by Asthma Control Test scores but may decrease outdoor activity. Washington State Department of Ecology Air Quality Map. Air Quality Index (AQI), PM 2.5, Ozone. Good, 0 - 9.0 µg/m3, 0 - 0.054 ppm ... Air Quality Index. Media. Forecasts at a Glance · Current Conditions at a Glance ... AQI is calculated based on common air pollutants including particulate matter ... air quality at times. AQI. Hazardous (301-500). Very Unhealthy (201-300) ... ... AQI: Check local air quality index levels and listen. Air Quality Guide for Particle Pollution. For the latest information on air quality and smoke near you: The Air Quality Index ... The Air Quality Index, known as the AQI, is an index for reporting daily air quality. It tells you how clean or polluted your air is, ...