I took the day off to go on a long hike it was great but all the invisible dust on the air gave me an odd pain in my chest when I went to bed then it gave me a

I took the day off to go on a long hike it was great but all the invisible dust on the air gave me an odd pain in my chest when I went to bed then it gave me a sore throat and asthmatic conditions which has only just cleared! Turns out the dust raised the pollution level to high with people being advised not to exercise! I suppose my ten mile hike up the hills was a bad idea.