For Long Island commuters there’ll be one less — and one more — reason to be hot under the collar Tuesday.

The LIRR strike is over, with “phased” service scheduled to begin at noon.

But the National Weather Service is calling for a genuine hot one in the city Tuesday, issuing a heat advisory and warning those in the five boroughs to expect temperatures soaring into the low-to-mid 90s. Heat index values will make it feel like it’s pushing 100 degrees.

The weather service said Long Islanders not venturing out of Nassau and Suffolk will catch a bit of a break, with heat and humidity falling short of heat advisory criteria -- even though it could still hit 90.

The advisory is in effect from 11 a.m. Tuesday through 8 p.m. Wednesday.

“Use air conditioning to stay cool at home or go to a place that has air conditioning,” the weather service said on its website.

An air quality alert is in effect for both Long Island and the five boroughs on Tuesday, from 11 a.m. to 11 p.m.

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