Figure 5 | Scientific Reports

Figure 5

From: Compromised Air Quality and Healthcare Safety from Smoking inside Hospitals in Shantou, China

Figure 5The alternative text for this image may have been generated using AI.

Levels of health concern based on the air quality inside five hospitals and inside five clinical wards in hospital D during the indicated survey times in hour (h). PM2.5 concentrations were converted to the levels of health concern using the Air Quality Index (AQI) Calculator from the United States Environmental Protection Agency.

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