Canadian wildfire smoke lowers Long Island air quality for a second day

For tonight, expect mostly cloudy skies with lows near 66 degrees.

Matt Hammer

Aug 5, 2025, 10:02 AM

Updated 6 hr ago

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ALERTS: Air Quality Alert is in effect until midnight for Nassau County. It is possible the alert gets expanded into Suffolk County through the day.
Expect more clouds today and more haziness when there are breaks of sun. Air quality is bordering on being unhealthy for those with sensitive respiratory or heart-related health conditions. As long as you do not overexert yourself and make sure to take breaks from the reduced air quality today, you will be fine. Otherwise, our local weather continues to be dry and nice despite more clouds than sun at times today through tomorrow.
FORECAST:
TODAY: A hazy mix of sun and more clouds than yesterday. Canadian wildfire smoke is reducing air quality. Air quality is expected to be moderate for Suffolk County and bordering on unhealthy for those with respiratory or heart-related conditions in Nassau County. No matter where you are across Long Island you can still get outdoors, just use caution and do not overexert yourself due to the lower than usual air quality. Highs around 84 degrees with noticeable levels of humidity.
TONIGHT: Partly to mostly cloudy. Lows near 66 degrees.
WEDNESDAY: Mostly cloudy with some hints of sun. Dry. Breezy at times. Highs in the upper 70s to low 80s. Lows near 66 degrees.
THURSDAY: Sun and clouds. Highs around 80 degrees. Breezy at times. Lows near 65 degrees.
FRIDAY: Mostly sunny. Low humidity. Highs around 81 degrees. Lows near 65 degrees.
SATURDAY: Mostly sunny. Highs around 82 degrees. Lows near 68 degrees.
SUNDAY: Mostly sunny to partly cloudy. Highs around 84 degrees. Lows near 70 degrees.