Dust-laden winds swept Delhi on Tuesday, pushing the air quality into the poor category and increasing the concentration of coarse particles in the air.
About:
According to forecasts, strong winds that are carrying dust to Delhi from Rajasthan are expected to continue until Thursday.
The concentration of particulate matter of 10 micrometres (PM10) — coarse particles suspended in the air — was 341 micrograms per cubic metre air (µg/m3) as of 5pm, against the 24-hour acceptable limit of 100 µg/m3.
The concentration of PM2.5 — particles that are smaller in size and are released from combustion activities — was about 105 µg/m3, a little higher than the 24-hour acceptable limit of 60 µg/m3.
The spike in PM10 concentration shows the impact of dust-laden winds on air quality, which, according to the Centre’s Early Warning System for Delhi, is expected to largely remain in poor category for the next five days.
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