The NFL's preseason got going on Thursday night with six games, with all but one (Atlanta) played in sweltering conditions.

Here's a look at how uncomfortable it was around the league:

Philadelphia: 91 degrees with a heat index of 100.

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Baltimore: 93 degrees with a heat index of 101.

Atlanta: 84 degrees with a heat index of 91. However the Redskins-Falcons game was played in the climate-controlled Georgia Dome.

East Rutherford, New Jersey: 94 degrees with a heat index of 98.

Foxborough, Massachusetts: 84 degrees with a heat index of 91.

Chicago: 88 degrees with a heat index of 95.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL