Related by context. Frequent words. (Click for all words.) 63 Thick clouds 62 gray haze 59 thick haze 56 haze 55 Thick fog 55 hazy skies 53 cumulus clouds 53 smog 52 inversion layer 52 cirrus clouds 51 Thick smoke 51 fog 51 skyscape 50 clouds 50 billowing clouds 50 granite peaks 49 mist 49 smoggy 49 smoke plumes 49 Dense fog 48 soot particles 48 temperature inversion 48 leafless trees 48 cirrus 48 Heavy fog 47 thunderclouds 46 dense fog 46 deep gorges 46 thunderheads 46 dense brush 45 cyclonic circulation 45 grassy slopes 45 cumulus 45 sunrays 45 lush rainforest 45 suffocating smog 45 greyness 45 plumes 45 polar vortex 45 greyish 45 Soot 45 Snow flurries 45 cityscape 45 darkened skies 45 soot 44 smoky haze 44 smog choked 44 thick fog 44 reddish hue 44 thundercloud 44 aerosol particles 44 wispy clouds 44 fogs 44 blindingly bright 44 dense vegetation 44 Nitrogen oxides 44 eerie glow 44 moonlets 44 escarpments 44 azure sky 44 wooded slopes 44 barren hills 44 Cosmic rays 44 jagged peaks 43 Algae blooms 43 Northerly winds 43 tropical downpour 43 visible wavelengths 43 Diesel exhaust 43 airborne pollutants 43 lightless 43 skyline 43 limestone formations 43 twinkling stars 43 greenish yellow 43 puffy clouds 43 blue sky 43 aerosols 43 sooty 43 eerily empty 43 cloudy sky 43 bluish 43 Blowing snow 43 greenery 43 sunbeams 43 inky black 43 grayness 43 volcanic plume 43 Traffic snarls 43 haloes 43 reflective surfaces 43 Helicopters hovered 43 pyroclastic 43 blue skies 43 ejecta 43 lava flows 42 atmospheric turbulence 42 blue tarpaulin 42 chimney stacks 42 grayish 42 yellowish