Page 68 - 7. State Of Environment Report Of Türkiye

Graph 5 shows the 2000-2021 time series section of nationally calculated road emissions totals.
When the emissions are analyzed, the downward trend in vehicle emissions with the renewed
engine technologies is noteworthy.

Graph 5 Total Emissions from Road Transport (2000-2021) (MoEUCC, 2024)
8000

7000

6000

5000
Emissions [ktonnes] 4000

3000

2000
1000

0
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
NOX NMVOC PM10 CO

A.2. Measurement Stations

A.2.1. Air Quality in Cities

In Türkiye, air pollution is observed in some city centres especially in winter season depending
on meteorological conditions. As a result of the use of natural gas and quality fuels in heating, air
pollution has decreased especially in big cities compared to the 1990s.

Air quality measurement stations have been established in 81 provinces by the MoEUCC in order
to monitor air quality throughout Türkiye. Starting with 35 stations in 2005, the number of stati-
ons included in the National Air Quality Monitoring Network reached 380 by 2023.
The data received from the measuring stations are published simultaneously on the official
website of the MoEUCC “Continuous Monitoring Centre” sim.csb.gov.tr and www.havaizleme.
gov.tr. In order to facilitate public access to information on air quality, monitoring results are
published on the web address www.havaizleme.gov.tr. National Air Quality Index (expressed as
Good, Moderate, Sensitive, Unhealthy, Poor, Hazardous) has been created for the public to better
understand the issue.

Within the scope of the harmonisation process with the EU Legislation, air quality limit values
have been gradually reduced since 2008 in order to improve the air quality in Türkiye, and full
compliance with the EU limit values for particulate matter and sulphur dioxide parameters has
been achieved as of 2019. For nitrogen dioxide, full compliance with EU limit values was achie-
ved as of 1 January 2024.

In addition, 8 Regional Clean Air Centres (RCAC) have been established throughout the country
in order to carry out air quality monitoring activities effectively, and the list of stations connec-
ted to RCAC is given in Table 31.

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