3 ms·

check out fireworks for the Fourth: https://cliffmass.blogspot.com/2020/06/a-big-fireworks-pollution-question-will.html https://cliffmass.blogspot.com/2020/06/a

• tda 5y ago
  The absolute values measured are not that high luckily. In the Netherlands at New years pm10 of greater than 1000 can be observed. I believe my outdoor sensor peaked at 900 in the first minutes of 2020. Glad fireworks were banned this year