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How big is a Particle in the air?

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ParticleParticle Size(microns)
Anthrax1 - 5
Antiperspirant6 - 10
Asbestos(asbestos particles travel in air like ‘javelins’, so filtration is more a function of their

fibre diameter, as opposed to their aerodynamic diameter (tumbling diameter).

0.1 - 10
Atmospheric Dust0.001 - 40
Auto and Car Emission1 - 150
Bacteria0.3 - 60
Beach Sand100 - 10000
Bone Dust3 - 300
Bromine0.1 - 0.7
Burning Wood0.2 - 3
Calcium Zinc Dust0.7 - 20
Carbon Black Dust0.2 - 10
Carbon Dioxide0.00065
Cayenne Pepper15 - 1000
Cement Dust3 - 100
Clay0.1 - 50
Coal Dust1 - 100
Coal Flue Gas0.08 - 0.2
Coffee5 - 400
Combustion0.01 - 0.1
Combustion-related - motor vehicles, wood burning, open burning, industrial processesup to 2.5
Copier Toner0.5 - 15
Corn Starch0.1 - 0.8
Dot (.)615
Dust Mites100 - 300
Eye of a Needle1230
Face Powder0.1 - 30
Fertilizer10 - 1000
Fiberglass Insulation1 - 1000
Fly Ash1 - 1000
Gelatin5 - 90
Ginger25 - 40
Glass Wool1000
Grain Dusts5 - 1000
Ground Limestone10 - 1000
Hair5 - 200
Human Hair40 - 300
Human Hair60 - 600
Humidifier0.9 - 3
Insecticide Dusts0.5 - 10
Iron Dust4 - 20
Lead0.1 - 0.7
Lead Dust2
Liquid Droplets0.5 - 5
Metallurgical Dust0.1 - 1000
Metallurgical Fumes0.1 - 1000
Milled Flour, Milled Corn1 - 100
Mist70 - 350
Mold3 - 12
Mold Spores10 - 30
Mustard6 - 10
Oil Smoke0.03 - 1
One inch25400
Oxygen0.0005
Paint Pigments0.1 - 5
Pesticides & Herbicides0.001
Pollens10 - 1000
Radioactive Fallout0.1 - 10
Red Blood Cells5 - 10
Rosin Smoke0.01 - 1
Saw Dust30 - 600
Sea Salt0.035 - 0.5
Smoke from Natural Materials0.01 - 0.1
Smoke from Synthetic Materials1 - 50
Smoldering or Flaming Cooking Oil0.03 - 0.9
Spanish Moss Pollen150 - 750
Spider web2 - 3
Spores3 - 40
Starches3 - 100
Sugars0.0008 - 0.005
Talcum Dust0.5 - 50
Tea Dust8 - 300
Textile Dust6 - 20
Textile Fibers10 - 1000
Tobacco Smoke0.01 - 4
Typical Atmospheric Dust0.001 to 30
Viruses0.005 - 0.3
Yeast Cells1 - 50