23 lines
762 B
Python
23 lines
762 B
Python
# Air qutlity is Excellent. Good. Light pollution.
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# Moderate pollution. Severe pollution. Most-severe pollution.
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def airQuality():
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try:
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pm25=float(input("Please input PM2.5 value:"))
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if 0<=pm25<=35:
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AirQualityGrade="Excellent."
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elif 35<pm25<=75:
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AirQualityGrade="Good."
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elif 75<pm25<=115:
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AirQualityGrade="Light pollution."
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elif 115<pm25<=150:
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AirQualityGrade="Moderate pollution."
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elif 150<pm25<=250:
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AirQualityGrade="Severe pollution."
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elif 250<pm25:
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AirQualityGrade="Most-severe pollution."
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print("Air quality is: "+AirQualityGrade)
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except ValueError:
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print("Input error.")
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#mainprogram
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airQuality() |