Home > USA > Indiana > Adams County > Decatur
Primary air pollutant in the Decatur area:
OZONE - 46 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 39 Good
Prior Air Quality North Central / Northeast Indiana AQ forecast regions: July 30, 2024 Ozone: Moderate at South Bend, Leo HS, Good at all other sites PM2.5: Good at all sites North Central / Northeast Indiana Forecast for Today: North Central Indiana Air Quality Forecast: Today July 31, 2024 Ozone: Moderate PM2.5 : Moderate Northeast Indiana Air Quality Forecast: Today July 31, 2024 Ozone: Moderate PM2.5 : Moderate Weather Forecast Discussion Today will bring mostly clear skies and temperatures reaching the high 80's at the warmest. Dewpoints will stay near 70 degrees while relative humidity stays above 60%. Winds will be primarily from the southwest, while wind speeds stay below 10 kts. There will be a chance of rain starting late in the day today and lasting through Thursday. Tomorrow will bring slightly lower temperatures while dewpoints stay near 70 degrees. Relative humidity will stay above 70% and skies will be mostly cloudy. Wind speeds will still be below 10 kts as wind direction varies throughout the day. Air Quality model analysis and decision? Ozone: The Canadian ozone model shows mostly moderate values over the next couple of days, while the NOAA 6Z BC model shows moderate ozone today and good tomorrow. The GA Tech model was unavailable. As rain moves through the region tomorrow ozone build-up will become less likely. Fine Particulate: The Canadian PM2.5 model shows mostly moderate values over the next couple of days, while the NOAA 6Z BC model shows moderate PM2.5 today and good tomorrow. The GA Tech model was unavailable. The Canadian Firework model shows some light wildfire smoke in the area this morning, with decreased values later in the period. Moderate PM2.5 build-up will continue to be possible over the next couple of days as wind speeds stay relatively light. AIR QUALITY FORECAST – North Central / Northeast Indiana AQ Regions North Central Indiana Air Quality Region: (Cass, Elkhart, Fulton, Kosciusko, Marshall, Miami, Pulaski, St. Joseph, and Starke Counties) North Central Indiana Air Quality Forecast Date August 1, 2024 Ozone Air Quality Good PM2.5 Air Quality Moderate Northeast Indiana Air Quality Region: (Adams, Allen, Blackford, DeKalb, Grant, Huntington, Jay, LaGrange, Noble, Steuben, Wabash, Wells, and Whitley Counties) Northeast Indiana Air Quality Forecast Date August 1, 2024 Ozone Air Quality Good PM2.5 Air Quality Moderate
Primary Pollutant: OZONE - 0 Moderate
Secondary Pollutant: PM2.5 - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Good