Agnipurana 230.5

230.5

krūreṣu dīptā vijñeyā ṛkṣalagnagrahādiṣu /
dhūmitā sā tu vijñeyā yāṅgamiṣyati bhāskaraḥ //

It should be known as inflamed under cruel asterisms, ascendants, planets, and the like. / That direction toward which the sun will proceed is to be known as 'smoky';