Officials said the ash was also causing skin reactions for those exposed to the volcanic debris.
Rising lava from deep beneath Popocatepetl threatens to cause more violent eruptions and launch fiery lava bombs far from the mountain’s summit crater, according to vulcanologists.
Emergency officials set up emergency tents and kitchens should such a hazard develop.
The volcano has sent out small puffs of ash and steam on nearly a daily basis since its current eruptive phase began in 1994.
Recent lava fountains, deep rumbles and plumes of ash have occurred on a magnitude not seen in a decade.
“Up on the mountain, it feels incredible,” Aaron Sanchez Ocelotl, told The Associated Press.
He was in his turf grass fields when the eruptions happened and said, "It sounds like the roaring of the sea.”