Alberto Simões Park, in São José dos Campos, this Tuesday afternoon (21): relative air humidity reached 32% in the city Claudio Vieira/PMSJC Relative air humidity was below that recommended by the World Health Organization (WHO) this Tuesday (21) in cities in the Paraíba Valley. Data from the National Institute of Meteorology (Inmet) show that Taubaté recorded 24% relative air humidity and Cachoeira Paulista, 27%, indexes classified as alert - see below. ? Click here to follow the g1 Vale do Paraíba channel and region on WhatsApp Check the weather forecast in Vale do Paraíba See more relative humidity data: Taubaté: 24% (Inmet) Cachoeira Paulista: 27% (Inmet) São Luiz do Paraitinga: 32% (Inmet) Campos do Jordão: 42% (Inmet) São José dos Campos: 32% (Meteorological station of airport) According to parameters adopted by the WHO, the range considered ideal for relative humidity varies between 60% and 80%. When the rates are between 21% and 30%, the situation is classified as a state of attention, requiring greater care with hydration and outdoor activities. The trend is for dry weather to continue in the region. The National Institute of Meteorology (Inmet) issued a warning of low air humidity with a "potential danger" severity level, valid from 12pm to 6pm this Wednesday (22). In addition to the Inmet alert, the Civil Defense of the State of São Paulo is also monitoring the effects of a period of heat outside the standard for winter, caused by a phenomenon known as summer. More sun and a lack of rain According to Lieutenant Ludmyla Alcantara, deputy director of Communication at the Civil Defense of São Paulo, the next few days will be marked by high temperatures, a predominance of sun and a lack of rain. The lieutenant explains that the phenomenon must affect the entire state. "Until Sunday, the 24th, a phenomenon called veranico will affect the entire territory of São Paulo. This phenomenon consists of several days of high temperatures during winter," he stated. She highlights that, despite the higher temperatures, the period will continue to be marked by a lack of rain and dry air. "This phenomenon brings precisely the opposite: rising temperatures, predominance of the sun, but still very dry weather, with a lack of rain and a lack of cloud cover", he stated. See the Civil Defense recommendations for low humidity days: Stay hydrated, with frequent water intake Take extra care of children and the elderly, who are more susceptible to respiratory problems Keep environments ventilated Use air humidifiers If you don't have a humidifier, place containers with water in the rooms Leave damp towels on windows or inside rooms to help increase air humidity Keep a crack in the windows open to encourage air circulation Avoid intense physical activities and exposure to the sun in hottest times of the day Do not use fire to clear land Do not burn trash Avoid bonfires, especially in rural areas Do not release balloons Do not improvise heating systems that could cause fires Call Civil Defense by calling 199 in case of emergency See more news from Vale do Paraíba and the Bragantina region