New house is really dusty

I thought my old house was dusty, but only needed dusting every few weeks. In my new house, it's every day. There's a layer of gritty dust on everything! The other day the sun was shining through the window and it looked like a snowstorm where the sunlight illuminated particles in the air. This is the top of my computer and I just now ran my finger through it to illustrate the dustiness. Where is this coming from?

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Get yourself a little portable air filter to suck up the dust/fiber particles/whatever. After we open the windows (one needs fresh air, after all), we run the air filters to clean the dust and "stuff" out of the air. It also has several speeds; rarely do we need to increase to the second level. Here's what we have from Amazon (note that we bought it in 2012!):

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Hamilton Beach TrueAir Air Purifier with Permanent HEPA Filter for Home or Office and for Allergies and Pets, Whisper Quiet, 160 sq ft, White
 
Deb, my first thought also was the furnace. Perhaps a good duct cleaning? My place is kind of dusty as I have cats and the litter. Also behind my apartment on the other side of the complex is a relatively busy road and I think that causes dust. But I don't think you are on a busy street if I remember correctly.
 
Do you have central HVAC in the new house? Did you in the old? I once had my piano under a HVAC vent and it was dusty within a day. The vent was so high that I didn't put a filter in so I just gave up.... good excuse not to dust!
 
I'd agree with Bingo - likely from the air ducts.
I had the same problem - excess dust in 2 bedrooms. The problem disappeared after I had to replace my 40 year old air conditioning system. Some of the broken ducts in the basement had to be replaced because they had separated. That allowed dust from the basement to get into those 2 rooms.
 
Did you have a lot of sunlight in the old house? It may be that you just didn’t notice the dust because it was more shaded. When it’s a really bright, sunny day here, I notice the dust and see it floating in the air. On a regular day, I don’t see it.
 
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I get a lot of dust and notice it more when the sun is shining in the windows. My apartment is painted white with that paint that is not flat but has a prickly surface to it. I think (not certain I am right) my dust comes from that and having people above me who move around a lot. My house plants get white dust on their leaves depending on where I place them. Nothing I can do about it except dust more often. Often every day, then I can go for a period where it isn't so much. I have two air purifiers I run almost daily. Still have to dust often.
 

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