On the penultimate day of 2023, fog opened, and this morning, the Suzhou section of the G4221 Shanghai-Wuhan Expressway and the Suzhou section of the G15 Shenhai Expressway were limited due to low visibility weather. The fog gradually dissipated after sunrise, and the citywide fog warning signal was lifted at 9 a.m.
Today's warming is obvious, the minimum temperature in most of the city in the morning returned to above zero, and the maximum temperature during the day generally reached 14-16, which is the warmest day since the beginning of winter.
The smog isn't over yet
Nationally, the main impact period of haze weather is from the 28th to the 30thNorth China, Huanghuai and other places will have the strongest haze process since this autumn and winter.
On the 28th, the fog mainly affected eastern Shandong and Jiangsu;On the 29th, it mainly affected southern Shandong, eastern Anhui, Jiangsu, northern Zhejiang and other places;On the 30th, it mainly affected southern Tianjin, eastern Hebei, western Shandong, Sichuan, Chongqing and other places.
From the 28th to the 30th, the haze mainly affected North China, Northeast China and Northeast China, among which Tianjin, central and southern Hebei, western Shandong, and northern Henan had severe haze.
Shanghai was also affected by the smog
Tomorrow's weather
Under radiative cooling and quiet weather conditions, the city will be in the second half of the night today to tomorrow morningVisibility of less than 500 metres will occur in most areas, among othersVisibility in the western suburbs and along the river is less than 200 meters。During the day, sunlight appears, and the fog gradually dissipates, but there isMild haze
Specific forecast: cloudy to clear, 5-13, northwest wind 3-4, relative humidity 95%-35%.
Tips:Low visibility weather has a great impact on traffic, especially inter-provincial traffic, so pay attention to safety and keep abreast of traffic and road conditions. During the day, there is light haze, and susceptible people should take precautions.
Weather trends
From the night of the 28th to the morning of the 29th, there will still be dense fog with visibility of less than 500 meters in most suburbs of the city, of which the visibility in coastal areas along the river is less than 200 meters.
From the 30th to the 31st, under the influence of cold air, there was a windy cooling process accompanied by light rain, and the low visibility weather process ended. The start of next week will be dominated by cloudy weather.
In terms of temperature,The influence of cold air on New Year's Eve is weakerThe maximum temperature is still in double digits, generally between 11 and 14, and the minimum temperature is between 4 and 8.
Air quality
At 5:00 p.m. on December 27, the real-time air quality index in Minhang District was 52, which was good, and the air quality was acceptable, but some pollutants may have a weak impact on the health of a very small number of abnormally sensitive people. A very small number of people with unusual sensitivities should reduce outdoor activities.
According to the forecast of the Shanghai Environmental Monitoring Center, there will be good to light pollution tonight, and the primary pollutant is NO2;Tomorrow mildly polluted to good, the primary pollutant PM25；The acquired conscience, the primary pollutant PM25。
*: Shanghai Weather Release, District Meteorological Observatory, District Ecology and Environment Bureau, Transcription Editor: Sheng Yi (intern).
*Please indicate that it is from Minhang's official WeChat.
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