Sampling Site | Location | Characteristics |
---|---|---|
Al-Haram | 21° 25′ 19.2″ N, 39° 49′ 33.6″ E |
Heavy constructions around the site and heavy traffic all the year |
Arafat | About 20 km from Central Makkah | Heavy traffic of trucks and buses only in Hajj seasons |
Muzdalifah | 21° 24' 33” N 39° 54' 11” E |
Heavy traffic of trucks and buses only in Hajj seasons |
Aziziyah | 32° 31′ 48″ N 13° 0′ 36″ E |
Residential area with medium traffic load except in Hajj seasons |
Al Nuzhah | About 5 km from Al-Haram | Residential and commercial area with medium to high traffic load presenting local activities |
Al Awali | 21° 19' 29” N 39° 53' 24” E |
Reference area with low traffic and commercial activities |