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The relationship between low pulse rate of output and dust particles concentration

Fig7.The relationship of PM2.5 low pulse rate of output and dust particles concentration

NOTE：People usually use different levels (best,good,bad,worst) to describe the air quality condition.

Program 1.High sensitivity

Best：0.00%-2.00%

Good：2.00%-4.00%

bad：4.00%-6.00%

Worst：＞6.00%

Program 2.Good consistency

Best：0.00%-4.00%

Good：4.00%-8.00%

Bad：8.00%-12.00%

Worst：＞12.00%

Particles Concentration

Low pulse rate %

Max

Average

Min