Statistical Evaluation of Indoor Air Quality Parameters in Classrooms of a University

Figure 5

The relations among the parameters: (a) between indoor CO₂ amount and number of people, (b) between indoor PM₁₀ values and number of people, (c) between indoor CO₂ amount and indoor temperature, and (d) between indoor temperature and indoor relative humidity.

(a)

(b)

(c)

(d)