On Tuesday, December 1, Mumbai recorded one of the warmest night temperatures for the month of December in more than a decade.
According to the India Meteorological Department (IMD), the Santacruz weather observatory recorded the second-highest minimum temperature during December in 11 years at 24.4 degrees Celsius (5 degrees Celsius above normal).
Back in 2019, Mumbai had recorded 25.3 degrees Celsius on December 5, equaling the minimum temperature recorded on December 2, 2013, both are currently the highest in 10 years. On December 1, 2008, Mumbai had recorded 25.2 degrees Celsius. In other years, between 2009 and 2018, the highest minimum temperature ranged between 20.8 degrees Celsius and 23.6 degrees Celsius.
Meanwhile, on Tuesday, December 1, the air quality index (AQI) entered the moderate category which is 118 after two days of satisfactory air quality. As per reports, Worli had the cleanest air in the city at 76. Moreover, according to experts, even though the temperatures had increased, dust carried by easterly winds combined with calm winds had led to a marginal rise in pollution.
Earlier on November 26, the AQI was 252 which falls under the poor category. Moreover, the day before, the city witnessed an AQI of 201 which was calculated from an average of 10 locations in the Mumbai Metropolitan Region (MMR).
The AQI values at or below 100 are generally thought of as satisfactory. However, when AQI values are above 100, air quality is unhealthy. From 201 to 300, the air is judged to be very unhealthy; children, asthmatics and people with heart or lung conditions should avoid the outdoors and all others should reduce their outdoors exertion. On the other hand, when the AQI exceeds 300, it is “hazardous” for everyone to venture outdoors.
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