TAQMPM2.5Automatic Monitoring\Monthly Average

1. Unverified preliminary statistics, for reference only.
2. Invalid value definition: on average to be calculated on the average RMS ≧ 20 days, valid on average; less than 20 days, on average were considered invalid.
3. Using statistical linear regression to transform automatic monitoring PM2.5 measurements into FRM-like data came into effect May, 2014, and was applied going back to January 2014. Please refer to operating principles and use all data with discretion.
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