San Borja registered high levels of air pollution

The National Institute of Statistics and Informatics (INEI) informed that according to the information provided by the National Service of Meteorology and Hydrology (SENAMHI), during the month of September of 2025, the station of Lima Centerm in San Borja, registered high levels of inhalable particles concentration such as: dust, soot, pollen and other solid or liquid particles disperses in the atmosphere, caused of respiratory problems in the persons.

In the technical report Environmental Statistics, was stated that the same result was observed in the east zone, this way, in the station of Santa Anita, where the air polluting agents exceeded the allowed boundaries that cause great damage on health of persons with respiratory problems.

On the other hand, in the stations of San Martín de Porres, Campo de Marte and San Juan de Lurigancho, placed in the north, center and east area, registered air pollution levels that not exceed the allowed, for this reason this was not harmful to the population health.

During the month of September of 2025 and according to the information provided by the SENAMHI, the ultraviolet radiation index Lima reached a value of 4 that represents a moderate level of health care. Compared to the registered in the same month of the year 2023, did not observe variation.

According to the data of the Service of Potable Water and Sewerage Service of Lima Metropolitan area (SEDAPAL), during the month under analysis, the production of potable water in Lima Metropolitan area reached 64,456.000 cubic meters, figure that represented a growth of 1.9% compared to the same month of the last year (63,246.000 cubic meters).

During the month of September of 2025 and according to the SENAMHI, the average flow of the Rimac River reached 26.12 m3/s a higher result by 24.5% and 23.4% compared to the same month of 2024 and to its historic average, respectively.

Likewise, the flow of the Chillon River reached 2.29 m3/s, figure that represented an increase of 6.0% and 10.1% compared to the same month of September of 2024 and to its historic average.

During the month of September and according to the monitoring of 17 stations of the SENAMHI the departments of Tacna, Arequipa and Puno registered the lowest temperatures.

In Tacna, the greater feeling of coldness was registered in the stations of Chuapalca (-19.4 °C) and Bocatoma (-14.5 °C); in Puno, in the station of Mazo Cruz (-16.4 °C), Santa Rosa (-10.0 °C), Cojata (-10.0 °C), Crucero Alto (-9.0 °C), Macusani (-8.0 °C) and Desaguadero (-5.4 °C); an in Arequipa, in the stations of Imata (-13.4 °C), Pillones (-12.2 °C), Salinas (-9.4 °C), Tisco (-9.1 °C).

In addition, in the departments of Junín, in the stations of Laive (-7,0 °C) and La Oroya (-2,5 °C); in Pasco, in the station Cerro de Pasco (-4.8 °C); and in the department of Cusco, in the station of Sicuani (-2.2 °C).

523 emergencies were reported at national level

According to the information of the National Institute of Civil Defense (INDECI), during the month of September of 2025 were registered 523 emergencies at national level, lower figure by 78.1% compared to the same month of 2024. Emergencies left a total of 1,512 affected people, 1,696 affected homes, 239 homes destroyed and 202 hectares of cultivated land destroyed.

The departments with greater number of emergencies were: Cajamarca (59), Cusco (50), Apurimac and Ucayali (35 each one), Huánuco (32), Huancavelica (28), Loreto (27), Piura (26), La Libertad (25), San Martín (24), Junín and Puno (23 each one), Amazonas and Lima (21 each one), Pasco (19), Ancash and Arequipa (12 each one), Ayacucho and Moquegua (10 each one), Madre de Dios and Tacna (8 each one), Lambayeque (6), Tumbes (5) and Ica (4).

The emergencies were mainly caused by: strong winds (179), urban and industrial fires (153), heavy rains (54), low temperatures (46), forest fires (45), erosions (11), landslides (10), pollution (9), hills collapse (5), floods (4), storm surges, droughts (2 each one), huayco, earthquake and electrical storm (1 each one).