A mass of dry air accompanied by dust from the Sahara desert entered the Island yesterday, Friday, and would remain until this coming Monday, reported the meteorologist Ian Colón Pagan of the National Weather Service (SNM) in San Juan.
The Environmental Quality Board has established, in its Cataño station, that this particulate causes the air quality to be "moderate".  "The elderly, children and people with respiratory and cardiac problems contemplate reducing activities that require prolonged or intense effort outdoors," the agency warned.
The meteorologist, for his part, indicated that this particulate It is recorded today has caused hazy skies, but not at the same levels caused by the episode recorded earlier this week.
Also, hot temperatures are expected. The SNM predicts that the thermometer reaches 91 degrees Fahrenheit and that the heat index exceeds 100 degrees in the coastal areas of the north, west and south.
The peak of this pulse of dust in the Sahara would be today and tomorrow, Sunday . It is expected that by Monday morning it will have dissipated, said Colón Pagán.
Another pulse of this particle is expected for the next weekend. It would be of lower concentration.
He warned that on July 7 and 8 another pulse with a high concentration of dust from the Sahara is forecast, according to satellite images.
The National Oceanic and Atmospheric Administration (NOAA, for its acronym) in English), states that dust episodes in the Sahara desert are recorded in late spring, summer and early fall. Each pulse usually lasts three to five days and affects the health of people with asthma, allergies, or other lung conditions.