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Particulate Matter

This category contains 17 posts

Air Quality Forecast for Wednesday, November 28 and Extended

Wednesday, November 28:   Fine Particulates (PM 2.5) – Code GREEN   Short-Term Discussion: Currently, partly sunny skies persist across the region as we begin to dry out after about an inch of rain fell on the region over the last day or two. Right now, the winds remain gusty across the region as the … Continue reading »

TODAY IS AN AIR QUALITY ACTION DAY

Wednesday, July 11: Ozone – Code YELLOW Fine Particulates (PM 2.5) – Code ORANGE Air Quality Action Day Yesterday’s Regional Maximum Ozone and PM 2.5 Concentrations: Monday, July 9: Ozone – ORANGE (111 AQI or 89 ppb at Freemansburg) PM 2.5 – N/A Short-Term Discussion: Today will be another hot and hazy day with temperatures … Continue reading »

Air Quality Forecast for Thursday, June 21

Thursday, June 21, 2007: Fine Particulates (PM 2.5) – Code GREEN Ozone (O3) – Code GREEN Regional Maximum PM 2.5 Concentrations: Monday, June 19, 2007: PM 2.5 – YELLOW (83 AQI or 31.8 µg/m3) O3 – ORANGE (122 AQI or 93 ppb) Short-Term Discussion:  :  While yesterday’s showers and thunderstorms arrived as expected they did … Continue reading »

Air Quality Forecast for Saturday, Sunday, and Monday, June 16-18

Saturday June 16, 2007: Ozone (O3) – Code GREEN Fine Particulates (PM 2.5) – Code GREEN Sunday June 17, 2007: Ozone (O3) – Code YELLOW Fine Particulates (PM 2.5) – Code YELLOW Monday June 18, 2007: Ozone (O3) – Code YELLOW Fine Particulates (PM 2.5) – Code YELLOW Regional Maximum PM 2.5 Concentrations: Thursday, June … Continue reading »

Lehigh Valley/Berks Air Quality Forecast for Friday, June 15

Friday, June 15, 2007: Fine Particulates (PM 2.5) – Code GREEN Ozone (O3) – Code GREEN Regional Maximum PM 2.5 Concentrations: Wednesday, June 13, 2007: PM 2.5 – GREEN (39 AQI or 12.0 µg/m3) O3 – GREEN (21 AQI or 27 ppb) Short-Term Discussion:  Clouds locked in over the region at the moment.  There are … Continue reading »

Air Quality Forecast for Wednesday, June 13

Wednesday, June 13: Ozone – Code GREEN Fine Particulates (PM 2.5) – Code GREEN Yesterday’s Regional Maximum Ozone and PM 2.5 Concentrations: Monday, June 11: Ozone – GREEN (34 AQI or 43 ppb) PM 2.5 – GREEN (50 AQI or 15.5 µg/m3) Short-Term Discussion:  Currently, overcast conditions prevail across much of the region as we … Continue reading »

Air Quality Forecast for Tuesday, June 12

Tuesday, June 12, 2007: Fine Particulates (PM 2.5) – Code GREEN Ozone (O3) – Code GREEN Regional Maximum PM 2.5 Concentrations: Friday, June 8, 2007: PM 2.5 – YELLOW (77 AQI or 28.7 µg/m3) O3 – YELLOW (72 AQI or 73 ppb) Saturday, June 9, 2007: PM 2.5 – GREEN (42 AQI or 12.8 µg/m3) … Continue reading »

Air Quality Forecast for Saturday, June 9

Saturday June 9, 2007: Ozone (O3) – Code YELLOW Fine Particulates (PM 2.5) – Code YELLOW Sunday June 10, 2007: Ozone (O3) – Code GREEN Fine Particulates (PM 2.5) – Code GREEN Monday June 11, 2007: Ozone (O3) – Code GREEN Fine Particulates (PM 2.5) – Code GREEN Regional Maximum PM 2.5 Concentrations: Thursday, June … Continue reading »

Air Quality Forecast For Wednesday, June 6

Wednesday, June 6: Ozone – Code GREEN Fine Particulates (PM 2.5) – Code GREEN Yesterday’s Regional Maximum Ozone and PM 2.5 Concentrations: Monday, June 4: Ozone – GREEN (27 AQI or 35 ppb) PM 2.5 – NA (– AQI or — µg/m3) Short-Term Discussion:  Currently, mostly cloudy conditions prevail over much of the region as … Continue reading »

Lehigh Valley-Berks Air Quality Forecast For Monday, June 4

Date: Monday, June 4, 2007  Action Day?:  No                                                                        Temperature: Mid 70s                                                              Discussion: Lingering clouds and showers for Monday; rain may be heavy at times. Afternoon temperatures should reach the mid 70s. Rain showers should limit Monday’s fine particulate and ozone concentrations to the code GREEN (good) range with fine-particulate concentrations possibly ranging a bit higher. … Continue reading »

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