Home > USA > Indiana > St. Joseph County > Granger
Primary air pollutant in the Granger area:
PM2.5 - 52 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
OZONE - 12 Good
Weather Forecast Discussion Today will bring partly cloudy skies and temperatures reaching the high 20's at the warmest. Dewpoints will stay below 20 degrees. There is a winter storm warning in effect today through tomorrow morning for St. Joseph county, as well as winter weather advisories in nearby counties. Winds will be primarily from the west, reaching speeds greater than 5 kts. There is high surface pressure to the west, which will move over the state over the next couple of days. 850 mb temperatures will be near -10 C today and tomorrow. Surface temperatures tomorrow will be slightly warmer, reaching near 30 degrees. Skies will still be partly cloudy and dewpoints will be near 20 degrees. Winds will be primarily from the southwest, reaching speeds near 10 kts. On Wednesday temperatures will reach the upper 30's at the warmest. Skies will be overcast, dewpoints will be in the 20's, and 850 mb temperatures will increase above -5 C. Winds will still be from the southwest as wind speeds increase to near 20 kts. There will be a chance of snow Wednesday night into Thursday morning. Thursday will bring cooler temperatures, with highs in the mid 20's and dewpoints falling to near 10 degrees. 850 mb temperatures will fall as well, reaching below -15 C. Temperatures will start to climb again on Friday while dewpoints stay near 10 degrees and wind speeds decrease to near 10 kts. Air Quality model analysis and decision  Fine Particulate: The NOAA 6Z BC and the Canadian model agree on mostly good PM2.5 over the next few days. The GA Tech model predicts moderate through the period, a high outlier compared to the other models as well as recent measurements. The Canadian smoke model shows a minimal impact from wildfire smoke over the next few days. With multiple chances for precipitation this week, PM2.5 buildup will not be likely.
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: OZONE - 0 Good
Secondary Pollutant: PM2.5 - 0 Good
Primary Pollutant: OZONE - 0 Good
Secondary Pollutant: PM2.5 - 0 Good
Primary Pollutant: OZONE - 0 Good
Secondary Pollutant: PM2.5 - 0 Good
Primary Pollutant: OZONE - 0 Good
Secondary Pollutant: PM2.5 - 0 Good
Primary Pollutant: OZONE - 0 Good
Primary Pollutant: OZONE - 0 Good