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Statistical analysis of PM 2.5 in outdoor air from areas with various land use in Shahryar city.
| Sampling station | Mean ± SD | Max | Min |
|---|---|---|---|
| Industrial (S1) (n:8) | 50.07 ± 31.96 | 86.38 | 18.29 |
| Commercial (S2) (n:8) | 34.2 ± 12.75 | 53.25 | 26.28 |
| High Traffic (S3) (n:8) | 72.25 ± 27.54 | 96.33 | 30.49 |
| Residential (S4) (n:8) | 25.78 ± 9.64 | 33.9 | 12.2 |
