Living in New Delhi and facing one of worst urban pollution, I should be bracing up for a long and hot summer.
In this analysis, they saw that extreme weather and pollution events clustered into multi-day episodes that tended to be spatially connected. This means that the episodes typically affected grid squares that were adjacent to each other or contiguous. The researchers saw that the weather tended to drive several types of extreme events at once, with problems often coinciding or happening adjacent to each other in either space or time.
Needull in a haystack 