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Primary air pollutant in the Royersford area:
OZONE - 41 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 31 Good
PM10 - 4 Good
Current Conditions at 2 p.m. EDT this Friday afternoon: Partly to mostly sunny skies across the region with lower temperatures than Thursdays near record readings. A shower will occur in parts of the area this afternoon. A cleaner air mass has been brought in, lowering fine particle pollution (PM2.5), but ozone has climbed into the moderate range. *** Saturday’s forecast: Partly sunny and mild Saturday with a south to southeast wind bringing the mercury to near 70 degrees. PM2.5 may be moderate during the morning but lower in the afternoon. Some moderate air quality is still expected with an ozone increase. Showers and even a thunderstorm are possible Saturday night with a cold frontal approach. *** Sunday’s forecast: The front will pass early Sunday, with rain and rain showers likely through early afternoon. Otherwise Sunday will be mostly cloudy and cooler with temperatures not getting above 60. Ozone and PM2.5 will average in the good range. *** Monday’s forecast: Monday will be the coolest day of the forecast period with highs struggling to get to the middle 50s. Ample mixing will promote low levels of PM2.5 and ozone. Frost is likely in many suburbs Monday night with lows near the freezing point as high pressure settles in. *** Extended forecast: Surface winds turn southwesterly Tuesday and Wednesday, leading to a warming trend where temperatures rebound towards normal. Air quality remains good Tuesday, but might deteriorate to moderate Wednesday and Thursday.---McAuliffe
Primary Pollutant: OZONE - 63 Moderate
Secondary Pollutant: PM2.5 - 50 Good
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 38 Good
Primary Pollutant: OZONE - 46 Good
Secondary Pollutant: PM2.5 - 35 Good
Primary Pollutant: OZONE - 50 Good
Secondary Pollutant: PM2.5 - 40 Good
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Moderate