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[[File:Spain_Evolution-in-the-demand-for-electricity_2019-2020_map_18621_eng.jpg|left|thumb|300px|Map: Evolution in the demand for electricity. 2019-2020. Spain. [//centrodedescargas.cnig.es/CentroDescargas/busquedaRedirigida.do?ruta=PUBLICACION_CNIG_DATOS_VARIOS/aneTematico/Spain_Evolution-in-the-demand-for-electricity_2019-2020_map_18621_eng.pdf PDF]. [//centrodedescargas.cnig.es/CentroDescargas/busquedaRedirigida.do?ruta=PUBLICACION_CNIG_DATOS_VARIOS/aneTematico/Spain_Evolution-in-the-demand-for-electricity_2019-2020_map_18621_eng.zip Data]. [REPLACE_WITH_GEOCLIP_URL_OR_DELETE_LINK Interactive].]]

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Lastly, according to data from the World Meteorological Organisation (WMO), despite the pattern of decreasing emissions and the short-term effect of lockdown, carbon dioxide concentrations in the atmosphere continued to rise in 2020, exceeding the threshold of 410 parts per million. Therefore, measures to reduce emissions in a more expedient, planned and sustained way are urgently required to keep the global temperature increase below 1.5ºC.

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[[File:Athens_Evolution-of-NO2-air-pollution-in-Athens_2019-2020_statisticalgraph_18606_eng.jpg|left|thumb|300px|Statistical graph: Evolution of NO₂ air pollution in Athens. 2019-2020. Athens.]]

The graphs show the evolution of atmospheric NO₂ pollution in ten European cities between weeks 11 and 27 in 2019 and 2020. In most cases, there was a significant reduction in micrograms per cubic metre (μg / m³), which was especially remarkable in cities such as Paris (weeks 13 and 16), Milan/Milano (week 13) and Madrid (week 15).

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[[File:Spain_Noise-pollution-in-Madrid-during-lockdown_2019-2020_statisticalgraph_18617_eng.jpg|left|thumb|300px|Statistical graph: Noise pollution in Madrid during lockdown. 2019-2020. Spain.]]The World Health Organisation regards noise pollution as the second most dangerous environmental risk for the population, after air pollution. Specifically, the European Environment Agency (EEA) estimates that 20% of the European population is exposed to levels of long-term noise pollution (threshold of 55 dB during the day and 45 dB at night) that endanger their health by leading to hearing loss, mental health issues and a reduced quality of life.

The accelerometer records show that the average daily cultural seismic noise level drops by several decibels at the weekend. They also confirm alterations in seismic noise due to the decrease, cessation and resumption of human activities during lockdown and subsequent downscaling phases. Thus, the daily average noise level decreased during lockdown by between 1 and 7 dB, depending on the gauging station, compared to the prior reference level. Subsequently, with the gradual resumption of activity during the transition to ‘new normal life’, the cultural seismic noise progressively increased until it reached figures similar to those registered before lockdown, as shown by the daily average anthropic seismic noise levels recorded by the accelerometers in Granada and Lorca (Region of Murcia/Región de Murcia).

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[[File:Spain_Trends-in-wasterwater-pollution-by-SARS--COV--2_2020_map_18589_eng.jpg|left|thumb|300px|Map: Trends in wasterwater pollution by SARS-COV-2. 2020. Spain. [//centrodedescargas.cnig.es/CentroDescargas/busquedaRedirigida.do?ruta=PUBLICACION_CNIG_DATOS_VARIOS/aneTematico/Spain_Trends-in-wasterwater-pollution-by-SARS--COV--2_2020_map_18589_eng.pdf PDF]. [//centrodedescargas.cnig.es/CentroDescargas/busquedaRedirigida.do?ruta=PUBLICACION_CNIG_DATOS_VARIOS/aneTematico/Spain_Trends-in-wasterwater-pollution-by-SARS--COV--2_2020_map_18589_eng.zip Data].]]Amongst the activities deemed as being essential by the regulations passed during the state of alarm, were those involving water processing and water supply. Specifically, the Order on essential water services (Order SND/274/2020 of 22 March), adopting measures concerning water for human consumption and wastewater processing, set that the organisations responsible for water processing were providing an essential service and, as such, must be able to source the products and materials necessary to carry out their work with guarantees and in compliance with current health regulations. Also, Royal Decree Law 11/2020 considered that water supply must be guaranteed whilst the state of alarm was in force, and could only be withheld from individuals in their usual residence for supply security reasons (AEOPAS, 2021).

The daily variation in the water supplied in Seville (Sevilla) during the first wave of the pandemic (comparing 14 March-28 June 2020 and 2019), expressed in cubic decametres (dam³) and contrasted three months after the consumption was recorded, shows increases throughout the series. The only exception was 18-20 April 2020, which was simultaneous to Easter and, therefore, was affected by public religious events being cancelled and therefore by a lower amount of tourists visiting the city (-14 dam³). Similarly, significant decreases were registered from 9 to 12 May, simultaneous to another bank holiday that usually attracts large numbers of tourists, i.e. ‘Seville April Fair’. The trend in this variation began to decrease when phase 2 of the downscaling process came into force and mobility restrictions were loosen up, with the minimum variation registered on 21 June, when the state of alarm ended. The hourly breakdown of data on water supply also identified a significant drop at 20:00 hours, simultaneous to the spontaneous and systematic applause for healthcare workers that took place throughout Spain during lockdown.

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