What record-breaking temperature is Rio de Janeiro experiencing during the pre-Carnival period?

Rio de Janeiro is currently experiencing extreme heat with temperatures soaring to 44 degrees Celsius in the western part of the city. This marks the highest temperature on record since 2014, occurring as the city's pre-Carnival street parties are in full swing. The municipality has activated Rio's alert system due to these scorching conditions, which are affecting both residents and tourists gathered for the festivities. The timing of this heat wave is particularly challenging as it coincides with crowded Carnival celebrations, creating potential health concerns for participants.