Contaminación del aire en Grand Forks: índice de calidad del aire en tiempo real y alerta de smog.

Contaminación atmosférica en Grand Forks de marzo de 2016 a octubre de 2017
pollution pm25 hikersbay.com
index 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
pm25 6.3 (Good) 13 (Moderate) 20 (Moderate) 14 (Moderate) 2.9 (Good) 2.9 (Good) 2.4 (Good) 3.9 (Good) 6.8 (Good) 7.2 (Good) 6.2 (Good) 5.8 (Good) 4.3 (Good) 2.6 (Good) 3.3 (Good) 2.2 (Good) 2.6 (Good) 2.2 (Good) 9.8 (Good) 3.3 (Good)
data source »

Grand Forks City Hal

2016-03   2017-10
pollution pm25 hikersbay.com
index 2017-10 2017-09 2017-08 2017-07 2017-06 2017-05 2017-04 2017-03 2017-02 2017-01 2016-12 2016-11 2016-10 2016-09 2016-08 2016-07 2016-06 2016-05 2016-04 2016-03
pm25 6.3 13 20 14 2.9 2.9 2.4 3.9 6.8 7.2 6.2 5.8 4.3 2.6 3.3 2.2 2.6 2.2 9.8 3.3

* Pollution data source: https://openaq.org (AirNow) The data is licensed under CC-By 4.0