Table 1 Details about the air sampling settings and sampling sites
Date | Sample number | Environment | Sampling site | Duration of sampling (min) | Period of the day | |
|---|---|---|---|---|---|---|
Non-healthcare facilities | 24 April | 1 | Outdoor | Oslo Central Station | 30 | 7:00–8:30am |
2 | Outdoor | Statue in front of Oslo Central Station | 30 | 8:30−9:00am | ||
3 | Outdoor | Public Park | 30 | 14:00–14:30pm | ||
4 | Outdoor | Public Park | 30 | 15:30−16:00pm | ||
5 | Outdoor | Raadhus square | 30 | 17:00–17:30pm | ||
25 April | 6 | Outdoor | Oslo Central Station | 30 | 7:00–7:30am | |
7 | Outdoor | Statue in front of Oslo Central Station | 30 | 8:30−9:00am | ||
8 | Outdoor | Tram station | 30 | 9:30−10:00am | ||
9 | Outdoor | Public Park | 30 | 10:30−11:00am | ||
10 | Outdoor | Parliament square | 30 | 13:00–13:30pm | ||
26 April | 11 | Outdoor | Oslo Central Station | 30 | 7:00–7:30am | |
12 | Indoor | University Restaurant | 50 | 11:50−12:40am | ||
13 | Indoor | University Cafeteria | 50 | 13:00–13:50pm | ||
27 April | 14 | Outdoor | Oslo Central Station | 30 | 7:00–7:30am | |
15 | Indoor | University Restaurant | 50 | 11:50−12:40am | ||
16 | Indoor | University Cafeteria | 50 | 13:00–13:50pm | ||
28 April | 17 | Outdoor | Oslo Central Station | 30 | 7:00–7:30am | |
18 | Indoor | University Restaurant | 50 | 11:50−12:40am | ||
19 | Indoor | University Cafeteria | 50 | 13:00–13:50pm | ||
29 April | 20 | Outdoor | Oslo Central Station | 30 | 7:00–7:30am | |
21 | Indoor | Kindergarten | 20 | 10:00–10:20am | ||
22 | Outdoor | Kindergarten | 20 | 10:40am-11:00am | ||
23 | Indoor | Kindergarten | 20 | 11:20am-11:40am | ||
Healthcare facilities | 02 May | 24 | Indoor | Nursing home | 20 | 9:00–9:20am |
25 | Indoor | Nursing home | 20 | 9:40−10:00am | ||
26 | Indoor | Nursing home | 20 | 10:20−10:40am | ||
27 | Indoor | Nursing home | 20 | 11:00 −11:20am | ||
28 | Indoor | Health Clinic | 20 | 16:00–16:20pm | ||
29 | Indoor | Health Clinic | 20 | 16:40−17:00pm | ||
30 | Indoor | Health Clinic | 20 | 17:20−17:40pm | ||
31 | Indoor | Health Clinic | 20 | 18:00–18:20pm |