| Particulate matter (PM) | miRNAs | Reference |
| PM2.5 | miR-129, miR-139, miR-146a, miR-146b, miR-155, miR-340, miR-691, miR-181a, miR-21-3p, and miR-21-5p | [59] | miR-1-3p, miR-146a-5p, miR-187-3p, miR-199a-5p, and miR-21-5p | [7] | let-7d-5p, miR-24-3p, miR-425-5p, miR-4454, miR-4763-3p, miR-502-5p, and miR-505-3p | [52] | miR-205 | [55] | miR-223-3p | [57] |
| PM (general) | let-7a, miR-146a-5p, and miR-155-5p | [9] |
| Ultrafine particle (UFP) | miR-222 | [64] | let-7a, let-7b, let-7d, let-7e, miRNA-16, miR-155, miR-24, miR-27, and miRNA-34 | [60] | miR-301b-3p and let-7c-1-3p | [63] |
| Black carbon (BC) | miR-135b, miR-146b, and miR-21 | [67] |
| Polycyclic aromatic hydrocarbons (PAHs) | miR-181a, miR-181b, and miR-181d | [75] | miR-24-3p, miR-27a-3p, miR-142-5p, and miR-28-5p and miR-150-5p | [74] | miR-155 | [8] |
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