The graph above represents the daily average PM10 concentration for September 2023 of 30 stations out of the 33 analyzed (three of them did not collect hourly PM10 values to create daily averages and were excluded as per the government’s methodology). Values over 600 µg/m³ are not displayed for readability. For comparison, the WHO recommendation of 45 µg/m³ over 24-hours is also displayed.
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