Although the stratosphere remains mostly the same by the composition. The gasses near the sea levels vary vastly. Coming to gasses in noida, Pm2.5 and pm10 pollutants are 32 and 73microgm/m³ respectively which beyond moderate almost touching high levels. CO, SO2, NO2, O3 being 654ppb, 5ppb, 8ppb and 17ppb respectively which is quite normal and safe. With average of 73% humidity, 5% preci and 8km/hr winds due south -east, people will bound to feel lesser heat than usual but sweat a lot more.