DEP has declared Air Quality Action Day on Thursday, Sep 17

A(n) Air Quality Action Day has been declared for Susquehanna Valley, PA, on Thursday, Sep 17
Forecast
Thursday, Sep 17: 102 AQI Unhealthy for Sensitive Groups Ozone
66 AQI Moderate Particle Pollution (2.5 microns)

Extended Forecast
Friday, Sep 18: 74 AQI Moderate Ozone
61 AQI Moderate Particle Pollution (2.5 microns)
Current Conditions: At 2 p.m. EDT this Wednesday afternoon, high pressure over the Mid-Atlantic continues to bring sunshine with pleasantly warm temperatures to the region. With winds quite light, the air has stagnated some over the past couple of days, and this has allowed pollutants to build. Both fine particulate and ozone will be into the middle moderate range this afternoon. Mostly clear and comfortably cool tonight with lows in the upper 50s. *** Thursday’s forecast: There will be a good deal of sunshine on Thursday with another warm afternoon. Highs will reach the lower to middle 80s. With full sun, ozone levels will cross the code ORANGE threshold in the afternoon. Fine particulate will go well into the moderate range with the light southwest winds. Mostly clearThursday night with lows in the upper 50s. *** Extended forecast: While it will remain on the warm side on Fridaywith sunshine most of the time, winds will shift into more of a southeasterly direction, and this will keep ozone levels in the low to mid moderate range. Fine particulate will also remain at moderate levels. Highs will reach the lower to middle 80s once more. Sunshine and a few clouds Saturday. Continued warm with highs in the middle 80s. South to southeast winds will keep ozone and fine particulate from going above the moderate range. A cold front then crosses the region Saturday night. While this front will bring very little rain, it will mean an air mass change for Sunday into Monday. North to northeast winds behind the front will create enough mixing to finally clean the atmosphere out. An onshore flow may then continue into the early part of next week as high pressure gets situated over New England. This will mean more seasonable temperatures and better air quality.—McAuliffe
Here are some Air Quality Action Day tips you can follow to help reduce pollution:

Days when ozone levels are expected to be high:

* Conserve electricity and set your air conditioner at a higher temperature.
* Choose a cleaner commute—share a ride to work or use public transportation. Bicycle or walk to errands when possible.
* Refuel cars and trucks after dusk.
* Combine errands and reduce trips.
* Limit engine idling.
* Use household, workshop, and garden chemicals in ways that keep evaporation to a minimum, or try to delay using them when poor air quality is forecast.

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