Particle

Particle Size (microns)

dot (.)

615

Glass Wool

1000

Spanish Moss Pollen

150 - 750

Beach Sand

100 - 10000

Mist

70 - 350

Fertilizer

10 - 1000

Pollens

10 - 1000

Cayenne Pepper

15 - 1000

Textile Fibers

10 - 1000

Fiberglass Insulation

1 - 1000

Grain Dusts

5 - 1000

Human Hair

40 - 300

Human Hair

60 - 600

Dust Mites

100 - 300

Saw Dust

30 - 600

Ground Limestone

10 - 1000

Tea Dust

8 - 300

Coffee

5 - 400

Bone Dust

3 - 300

Hair

5 - 200

Cement Dust

3 - 100

Ginger

25 - 40

Mold Spores

10-30

Starches

3 - 100

Red Blood Cells

5-10

Mold

3-12

Mustard

6-10

Antiperspirant

6-10

Textile Dust

6-20

Gelatin

5-90

Spider web

2-3

Spores

3-40

Combustion-related - motor vehicles, wood burning, open burning, industrial processes

up to 2.5

Fly Ash

1 - 1000

Milled Flour, Milled Corn

1 - 100

Coal Dust

1 - 100

Iron Dust

4-20

Smoke from Synthetic Materials

1-50

Lead Dust

2

Face Powder

0.1 - 30

Talcum Dust

0.5 - 50

Asbestos

0.7 - 90

Calcium Zinc Dust

0.7 - 20

Paint Pigments

0.1 - 5

Auto and Car Emission

1 - 150

Metallurgical Dust

0.1 - 1000

Metallurgical Fumes

0.1 - 1000

Clay

0.1 - 50

Humidifier

0.9 - 3

Copier Toner

0.5 - 15

Liquid Droplets

0.5 - 5

Insecticide Dusts

0.5 - 10

Anthrax

1-5

Yeast Cells

1-50

Carbon Black Dust

0.2 - 10

Atmospheric Dust

0.001 - 40

Smoldering or Flaming Cooking Oil

0.03 - 0.9

Corn Starch

0.1 - 0.8

Sea Salt

0.035 - 0.5

Bacteria

0.3 - 60

Bromine

0.1 - 0.7

Lead

0.1 - 0.7

Radioactive Fallout

0.1 - 10

Rosin Smoke

0.01 - 1

Combustion

0.01 - 0.1

Smoke from Natural Materials

0.01 - 0.1

Burning Wood

0.2 - 3

Coal Flue Gas

0.08 - 0.2

Oil Smoke

0.03 - 1

Tobacco Smoke

0.01 - 4

Viruses

0.005 - 0.3

Typical Atmospheric Dust

0.001 to 30

Sugars

0.0008 - 0.005

Pesticides & Herbicides

0.001