{"id":785,"date":"2020-04-24T14:17:34","date_gmt":"2020-04-24T12:17:34","guid":{"rendered":"https:\/\/emariete.com\/?page_id=785"},"modified":"2025-05-06T18:57:24","modified_gmt":"2025-05-06T16:57:24","slug":"radioactivity","status":"publish","type":"page","link":"https:\/\/emariete.com\/en\/radiactividad\/","title":{"rendered":"Ionising radiation in Madrid"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-radiactividad-tiempo-real-en-madrid\">Real-time radioactivity in Madrid<\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/STS-5.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"375\" src=\"https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/STS-5.jpg\" alt=\"Geiger Tube STS-5\" class=\"wp-image-100 size-full\" srcset=\"https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/STS-5.jpg 500w, https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/STS-5-300x225.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Real-time ionising radiation graphs are an outstanding tool for analysis of the data generated by the Geiger counter, with the <strong>measurements taken every minute<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">All measurements are the CPM (clicks per minute) of a tube of <strong>detection of Beta and Gamma radiation STS-5<\/strong> manufactured in Russia in the 1960s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This tube detects about 25 pulses per minute in the normal background equivalent to about 0.1 uSv.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Please note<\/strong>: rapid increases in measurements <strong>is not a danger sign<\/strong>The fact that these events are not in themselves (especially when preceded by a period of no action), and should not be cause for alarm. Don't think we are under nuclear attack or anything like that. I explain why below.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update: On 10 July 2023 I underwent medical treatment with radioactive iodine I-131 so during the following weeks there are high measurements corresponding to the times I spent near the meter.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Update: On 6 May 2025 I had a nuclear medicine test with an isotope so you will see high measurements, for a few days, corresponding to the times I spent near the meter.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>This indirectly helped me to check that the meter was working properly, as it detected the radiation emitted by my body perfectly.<\/strong><\/p>\n\n\n\n<h3 class=\"gb-headline gb-headline-689eae2f gb-headline-text\">Right now<\/h3>\n\n\n<div class=\"gb-container gb-container-df9d76e7\"><div class=\"gb-inside-container\">\n\n<iframe loading=\"lazy\" width=\"450\" height=\"260\" style=\"border: 1px solid #cccccc;\" src=\"https:\/\/thingspeak.com\/channels\/1270131\/widgets\/416472\"><\/iframe>\n\n<\/div><\/div>\n\n\n<h3 class=\"gb-headline gb-headline-739b0201 gb-headline-text\">Last 24 hours<\/h3>\n\n\n\n<iframe loading=\"lazy\" width=\"100%\" height=\"350px\" style=\"border:\" 1px=\"\" solid=\"\" #cccccc;=\"\" src=\"https:\/\/thingspeak.com\/channels\/1270131\/charts\/1?api_key=7QRLHK9HD4ELFC9Q&amp;dynamic=true&amp;title=Radiaci\u00f3n+en+Madrid&amp;days=1&amp;width=auto&amp;height=auto\"><\/iframe>\n\n\n\n<h3 class=\"gb-headline gb-headline-0c40539c gb-headline-text\">Last 7 days<\/h3>\n\n\n\n<iframe loading=\"lazy\" width=\"100%\" height=\"350px\" style=\"border:\" 1px=\"\" solid=\"\" #cccccc;=\"\" src=\"https:\/\/thingspeak.com\/channels\/1270131\/charts\/1?api_key=7QRLHK9HD4ELFC9Q&amp;dynamic=true&amp;title=Radiaci\u00f3n+en+Madrid&amp;days=7&amp;width=auto&amp;height=auto\"><\/iframe>\n\n\n\n<p class=\"wp-block-paragraph\">Until 12 March 2022 there were some momentary very high peaks after a period of time without measures. This is not completely solved, although they should not occur so often anymore.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The peaks are due to the fact that a Geiger counter measures pulses and when the counter does not communicate those pulses for some reason, it counts them \"all at once\" (that is why those peaks are preceded by a period without measurements). I am working on solving this problem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To give you an idea, the normal levels of this meter are between 20 and 60 cpm, under normal conditions.<\/p>\n\n\n<h2 style=\"text-align: center;\">Historical Beta and Gamma Radiation in Madrid<\/h2>\n<p>Below, you can see several graphs with the data collected by my Geiger counter in different periods.<\/p>\n<p>This data is displayed from the website <a href=\"https:\/\/radmon.org\/\" target=\"_blank\" rel=\"noopener\">Radiation monitor (radmon.org)<\/a> with the data sent by my station. You can download my raw measurement data, in SCV format, from there.<\/p>\n<h3>Radiation in Madrid in the last 24 hours<\/h3>\n<p>In this graph you can see the single measurements without any filtering or peak removal or smoothing.<\/p>\n<div class=\"et_pb_section et_pb_section_0 et_section_regular\">\n<div class=\"et_pb_row et_pb_row_0\">\n<div class=\"et_pb_column et_pb_column_4_4 et_pb_column_0  et_pb_css_mix_blend_mode_passthrough et-last-child\">\n<div class=\"et_pb_module et_pb_text et_pb_text_0  et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<h2><img decoding=\"async\" style=\"font-size: inherit; background-color: initial;\" title=\"\" src=\"https:\/\/radmon.org\/UserGraphs\/Mariete\/graphtoday.png\" alt=\"\" width=\"auto\" height=\"auto\" \/><\/h2>\n<p>The following graph shows the measurements with a 64-sample moving average (re-averaging every 64 samples to smooth and remove peaks).<\/p>\n<h3><img decoding=\"async\" style=\"font-size: inherit;\" title=\"\" src=\"https:\/\/radmon.org\/UserGraphs\/Mariete\/graphtoday64.png\" alt=\"\" width=\"auto\" height=\"auto\" \/><\/h3>\n<h3>Radiation in Madrid in the last month\u00a0<\/h3>\n<p>A 256-sample moving average is applied.<\/p>\n<\/div>\n<\/div>\n<div class=\"et_pb_module et_pb_image et_pb_image_2\"><span class=\"et_pb_image_wrap\"><img decoding=\"async\" title=\"\" src=\"https:\/\/radmon.org\/UserGraphs\/Mariete\/graphmonth.png\" alt=\"\" width=\"auto\" height=\"auto\" \/><\/span><\/div>\n<div>\n<div class=\"et_pb_module et_pb_text et_pb_text_0  et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<h3>Radiation in Madrid in the last year<\/h3>\n<p>A moving average of 1024 samples is applied.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_module et_pb_image et_pb_image_3\"><span class=\"et_pb_image_wrap\"><img decoding=\"async\" title=\"\" src=\"https:\/\/radmon.org\/UserGraphs\/Mariete\/graphyear.png\" alt=\"\" width=\"auto\" height=\"auto\" \/><\/span><\/div>\n<div class=\"et_pb_module et_pb_blurb et_pb_blurb_0  et_pb_text_align_left  et_pb_blurb_position_top et_pb_bg_layout_light\">\n<div class=\"et_pb_blurb_content\">\n<div class=\"et_pb_blurb_container\">\n<div class=\"et_pb_blurb_description\">\n<p><span style=\"font-size: 35px; background-color: initial;\">Why measure Beta and Gamma radiation?<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_section et_pb_section_1 et_section_regular\">\n<div class=\"et_pb_row et_pb_row_1\">\n<div class=\"et_pb_column et_pb_column_4_4 et_pb_column_1  et_pb_css_mix_blend_mode_passthrough et-last-child\">\n<div class=\"et_pb_module et_pb_text et_pb_text_4  et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<p>There are few public sources of radiation data, so it seems interesting to have this information.<\/p>\n<p>Given how dangerous it can be for health and the \"health of the population\".<em>obscurantism<\/em>\"Can you trust official sources?<\/p>\n<p>Recently (April 2020) a forest fire in Ukraine, in an area close to Chernobyl, has raised the alarm by a 16-fold increase in the usual radiation levels in the area, spreading a radioactive cloud over a large part of Europe (fortunately nothing serious).<\/p>\n<p>In the following image you can see how the radiation even reached the east of Spain.<\/p>\n<\/div>\n<\/div>\n<div class=\"et_pb_module et_pb_image et_pb_image_4\"><a class=\"et_pb_lightbox_image\" title=\"\" href=\"https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Mapa-radiactividad-chernobil.jpg\"><span class=\"et_pb_image_wrap\"><img decoding=\"async\" class=\"wp-image-813 aligncenter\" title=\"\" src=\"https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Mapa-radiactividad-chernobil.jpg\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 718px, 100vw\" srcset=\"https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Mapa-radiactividad-chernobil.jpg 718w, https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Mapa-radiactividad-chernobil-480x320.jpg 480w\" alt=\"\" width=\"auto\" height=\"auto\" \/><\/span><\/a><\/div>\n<div class=\"et_pb_module et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<p>I am particularly reassured to see a graph like the one you can see below, with data on radioactivity in Madrid, collected by my own means on those dates, which I know have not been manipulated.<\/p>\n<p>It shows how the radiation data during the fire, and in the following days, were at the same levels as in the days before the fire:\u00a0<\/p>\n<\/div>\n<\/div>\n<div class=\"et_pb_module et_pb_image et_pb_image_5\"><a class=\"et_pb_lightbox_image\" title=\"Chernobyl fire radioactivity data\" href=\"https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil.jpg\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-818 size-medium\" title=\"Chernobyl fire radioactivity data\" src=\"https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil-300x136.jpg\" alt=\"Chernobyl fire radioactivity data\" width=\"300\" height=\"136\" srcset=\"https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil-300x136.jpg 300w, https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil-1024x463.jpg 1024w, https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil-768x347.jpg 768w, https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil-1536x694.jpg 1536w, https:\/\/emariete.com\/wp-content\/uploads\/2020\/04\/Datos-radiactividad-incendio-chernobil.jpg 1575w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_section et_pb_section_2 et_section_regular\">\n<div class=\"et_pb_row et_pb_row_2\">\n<div class=\"et_pb_column et_pb_column_4_4 et_pb_column_2  et_pb_css_mix_blend_mode_passthrough et-last-child\">\n<div class=\"et_pb_module et_pb_text et_pb_text_6  et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<h2>\u00a0<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_row et_pb_row_3\">\n<div class=\"et_pb_column et_pb_column_1_3 et_pb_column_3  et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_module et_pb_image et_pb_image_6\">\u00a0<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-emariete wp-block-embed-emariete\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"zrUJvsBZHa\"><a href=\"https:\/\/emariete.com\/en\/detecting-radioactivity\/\">Geiger Counter (Radioactivity Meter)<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&quot;Geiger Counter (Radioactivity Meter)&quot; - eMariete\" src=\"https:\/\/emariete.com\/detectando-radiactividad\/embed\/#?secret=aQq7yA88PT#?secret=zrUJvsBZHa\" data-secret=\"zrUJvsBZHa\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Real-time radioactivity in Madrid The real-time ionising radiation graphs are an extraordinary tool for analysing the data generated by the Geiger counter, with measurements taken every minute. All measurements are the CPM (clicks per minute) of an STS-5 Beta and Gamma radiation detection tube manufactured in ... <a title=\"Ionising radiation in Madrid\" class=\"read-more\" href=\"https:\/\/emariete.com\/en\/radiactividad\/\" aria-label=\"Read more about Ionising radiation in Madrid\">Read more<\/a><\/p>","protected":false},"author":1,"featured_media":235538,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-785","page","type-page","status-publish","has-post-thumbnail"],"uagb_featured_image_src":{"full":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920.jpg",1920,1280,false],"thumbnail":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920-150x150.jpg",150,150,true],"medium":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920-300x200.jpg",300,200,true],"medium_large":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920-768x512.jpg",768,512,true],"large":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920.jpg",1920,1280,false],"trp-custom-language-flag":["https:\/\/emariete.com\/wp-content\/uploads\/2017\/01\/gas-mask-2545867_1920.jpg",18,12,false]},"uagb_author_info":{"display_name":"Mariete","author_link":"https:\/\/emariete.com\/en\/author\/admin_xlyz052h\/"},"uagb_comment_info":0,"uagb_excerpt":"Radiactividad tiempo real en Madrid Los gr\u00e1ficos de radiaci\u00f3n ionizante en tiempo real son una extraordinaria herramienta de an\u00e1lisis de los datos que genera el contador Geiger, con las medidas tomadas cada minuto. Todas las medidas son el CPM (clicks por minuto) de un tubo de detecci\u00f3n de radiaci\u00f3n Beta y Gamma STS-5 fabricado en&hellip;","_links":{"self":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/pages\/785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/comments?post=785"}],"version-history":[{"count":5,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/pages\/785\/revisions"}],"predecessor-version":[{"id":242564,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/pages\/785\/revisions\/242564"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/media\/235538"}],"wp:attachment":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/media?parent=785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}