In June 1996, the province centers with highest sulphurdioxide (SO2) concentration are; Kırıkkale, Erzurum, Gaziantep, Kayseri, and Uşak. The province centers with highest particulate mater concentration in the same period are; Rize, Sakarya, Bitlis, Denizli, and İstanbul.
When compared to same month of the previous year, the province centers with highest increase of sulphurdioxide (SO2) concentration averages are; Bilecik (Bozüyük) (760 %), Bilecik (Province Center) (175 %), Erzurum (163 %), Bolu (Düzce) (133 %) and Uşak (112 %). Province centers with highest decreaese of sulphurdioxide (SO2) concentration are; Bayburt (85 %), Kırşehir (75 %), Kocaeli (Gebze)(74 %), Niğde (Province Center) (54 %), and Kütahya (53 %).
When compared to same month of the previous year, the province centers with highest increase of particulate matter are; Tunceli (233 %), Erzincan (100 %), Kayseri (76 %), Elazığ (71 %), and Kocaeli (Gebze) (64 %). Province centers with highest decreaese of particulate matter are Bayburt (75 %), Kocaeli (Gölcük) and Muş (67 %), Edirne (38 %), Konya (35 %), and Zonguldak and Kırıkkale (33 %).
PROVINCE CENTERS WITH HIGHEST PROVINCE CENTERS WITH HIGHEST INCREASE OF SO2 CONCENTRATION INCREASE OF PARTICULATE MATTER (microgram/cubic meter) CONCENTRATION (microgram/cubicmeter) KIRIKKALE 162 RİZE 58 ERZURUM 71 SAKARYA 51 GAZİANTEP 70 BİTLİS 47 KAYSERİ 65 DENİZLİ 46 UŞAK 55 İSTANBUL 42 BİTLİS 52 SİVAS 39 SAMSUN (Province Center) 49 KAYSERİ 37 İZMİR 48 AKSARAY 35 DENİZLİ 43 ORDU 33 BİLECİK (Bozüyük) 43 ANTALYA 32 İSTANBUL 39 GAZİANTEP 32 ZONGULDAK 37 HATAY (İskenderun) 32