How many Indoor Air samples should be taken?

Modified on: Wed, 20 Feb, 2019 at 11:18 AM


When sampling for indoor air, it is recommended to use the following guide to estimate how many samples are required.  The objective is to cover the square footage of the area being sampled.


up to 1,500 sq ft               1-2 air samples

1,500-5000 sq ft               2 samples

5001-10,000 sq ft             3 samples

10,000- 20,000 sq ft         4 samples

20, 000- 50,000 sq ft        5 samples

50,001- 250,000 sq ft       6 samples

250,001- 1,000,000 sq ft  7 samples

>1,000,0001 sq ft             9 samples


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