The best paper I found was this: Contributions of the solar ultraviolet irradiance to the total solar irradiance during large flares - Woods - 2006 - Journal of Geophysical Research: Space Physics - Wiley Online Library I looked around with internet searches to see if someone had already attempted to confirm or disprove this idea. I would venture to say that any perceived “brightness” you discern is more due to an optical illusion or environmental factor than an activity from the sun. Other factors impact how “bright” light can appear, including the temperature, humidity, & amount of particles (dust, pollen, pollution) there is in the atmosphere at any given time, and even these things are transient. The sun would actually look very small to us in the sky if there were no atmosphere (it's the same angular size as the moon) and most of the brightness seen in the direction of the sun is from small deflection rayleigh scattering.” “The sun seems brighter (more dazzling) if there is more scattering in the atmosphere. From a pure standpoint of optics, Sunlight - as we perceive it on Earth - has more to do with our atmosphere than anything else due to how light is “scattered:” I’m going to have to look into the data you shared before I comment on that, but I am going to venture to address your concerns regarding the sun appearing brighter. Now a few of the readings were significantly higher and abnormal for this time of year. Then I went over to Cape Cod Massachusetts because I live there too often. As I kept clicking on stations to see the UV for the day my brain kinda saw a patter in wind direction with UV spikes and solar radiation spikes. I also found another spike on another station in NY but not as close by. But the data has me intrigued.īelow is the first spike I found and what started my quest. I have come to a notion that perhaps I am just lucky to live in a unique spot and happened to stumble onto what possibly could be a coincidence. I feel like I got sunburn today because I happened to be outside just shortly after it struck and yes the sun seemed to get brighter and there wasn't a cloud in the sky. I continued the rest of my day looking for more spikes in other places I have lived. Then the M.1 flare hit as I was researching and posting and I noticed a severe spike in UV and solar radiation in the closest weather station. Mostly because Saturday when the CME hit I thought the sun was brighter and then today, Monday Valentine's day I woke up feeling like the sun wasn't as bright. I spent the day today looking at wunderground weather stations trying to find spikes in the UV readings.
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