Home > USA > Pennsylvania > Lebanon County > Jonestown
Primary air pollutant in the Jonestown area:
PM2.5 - 44 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 30 Good
***A FREEZE WARNING IS IN EFFECT MONDAY NIGHT*** Current Conditions at 2 p.m. EDT this Monday afternoon: Much chillier weather conditions are starting the workweek with temperatures struggling near the 50-degree mark. Fine particle pollution (PM2.5) and ozone concentrations remain down inside the good range. Over the next couple of days, temperatures will rebound, with a possible return to moderate PM2.5 levels later this week. Here are the forecast details: *** Tuesday’s forecast: After a cold and frosty start, Tuesday will turn out mostly sunny with highs recovering to the middle and upper 50s. While ozone and PM2.5 levels rise a little, good air quality is still expected with low relative humidity and an overall clean air mass. *** Extended forecast: A weak frontal system coming through early Wednesday will bring the chance for morning showers, otherwise clouds and a little sun later with a seasonably mild afternoon as highs reach the lower 60s. Moderate PM2.5 in parts of the area but ozone remains in the good range. Thursday will be the warmest day of the week with partly sunny skies and still moderate PM2.5 levels with highs around 70. The surface flow turns southeasterly Friday into Saturday, with the chance for rain increasing by Saturday. Overall air quality should average in the high good range.---McAuliffe
Primary Pollutant: OZONE - 44 Good
Secondary Pollutant: PM2.5 - 38 Good
Primary Pollutant: PM2.5 - 48 Good
Secondary Pollutant: OZONE - 46 Good
Primary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: OZONE - 40 Good
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Good