Last updated: 26.05.2026

Turkey air quality: 64 Good, 14 Moderate, 2 Sensitive

This week 3 provinces improved, 3 worsened. National PM2.5 average: 15 µg/m³.

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Highlights

Most significant changes vs. last week

Worsened

Bartın +133.2%

AQI 55.5 PM2.5

PM10 +12.1% PM2.5 +189.8% SO₂ -1.3% O₃ -17.7% CO +26.8%

Yalova +121.0%

AQI 132.8 PM2.5

PM10 +5.2% SO₂ +6.2% NO₂ +3.8% O₃ -10.5%

Çorum +46.1%

AQI 31.7 PM10

PM10 +58.7% PM2.5 -0.5% SO₂ -0.3% NO₂ +17.8% O₃ -15.3% CO +6.1%

Improved

Bilecik -70.6%

AQI 62.9 PM2.5

PM10 +13.5% PM2.5 -88.0% SO₂ -29.7% NO₂ -8.3% O₃ +1.9%

Artvin -61.2%

AQI 17.4 PM10

PM10 -67.2% PM2.5 -6.5% SO₂ +153.8% NO₂ -15.4% O₃ -9.0%

Bitlis -55.3%

AQI 10.2 PM10

PM10 -59.7% SO₂ -4.1% NO₂ -6.4%

Rankings

81 provinces by pollution average

Most Polluted 10

1 Yalova Unhealthy for Sensitive 132.8 PM2.5

2 Çanakkale Unhealthy for Sensitive 121.3 PM2.5

3 Sakarya Moderate 98.6 PM2.5

4 Hakkari Moderate 93.7 PM10

5 Muş Moderate 89.8 PM10

6 Balıkesir Moderate 78.7 PM2.5

7 Tunceli Moderate 73.0 PM10

8 Karabük Moderate 72.2 PM2.5

9 Kırklareli Moderate 69.7 PM10

10 Kahramanmaraş Moderate 65.5 PM10

Cleanest 10

1 Bitlis Good 10.2 PM10

2 Diyarbakır Good 17.0 PM10

3 Artvin Good 17.4 PM10

4 Giresun Good 17.5 PM10

5 Kırıkkale Good 17.7 PM10

6 Elazığ Good 18.1 PM10

7 Kayseri Good 18.4 O₃

8 Kırşehir Good 18.5 O₃

9 Konya Good 19.0 O₃

10 Kilis Good 20.0 NO₂

Most Polluted 10

1 Bilecik Unhealthy for Sensitive 123.9 PM2.5

2 Çanakkale Unhealthy for Sensitive 123.8 PM2.5

3 Yalova Unhealthy for Sensitive 112.4 PM2.5

4 Sakarya Moderate 97.7 PM2.5

5 Hakkari Moderate 97.6 PM10

6 Muş Moderate 89.9 PM10

7 Kırklareli Moderate 81.6 PM10

8 Tunceli Moderate 77.6 PM10

9 Balıkesir Moderate 74.0 PM10

10 Kocaeli Moderate 69.8 PM10

Cleanest 10

1 Kilis Good 18.5 PM10

2 Giresun Good 20.5 PM10

3 Kırşehir Good 20.5 PM10

4 Bitlis Good 21.3 PM10

5 Rize Good 21.5 O₃

6 Elazığ Good 22.1 PM10

7 Van Good 22.7 PM10

8 Isparta Good 23.0 PM10

9 Kırıkkale Good 23.0 PM10

10 Sinop Good 24.1 O₃

Most Polluted 10

1 Bilecik Unhealthy for Sensitive 123.9 PM2.5

2 Çanakkale Unhealthy for Sensitive 123.8 PM2.5

3 Yalova Unhealthy for Sensitive 112.4 PM2.5

4 Sakarya Moderate 97.7 PM2.5

5 Hakkari Moderate 97.6 PM10

6 Muş Moderate 89.9 PM10

7 Kırklareli Moderate 81.6 PM10

8 Tunceli Moderate 77.6 PM10

9 Balıkesir Moderate 74.0 PM10

10 Kocaeli Moderate 69.8 PM10

Cleanest 10

1 Kilis Good 18.5 PM10

2 Giresun Good 20.5 PM10

3 Kırşehir Good 20.5 PM10

4 Bitlis Good 21.3 PM10

5 Rize Good 21.5 O₃

6 Elazığ Good 22.1 PM10

7 Van Good 22.7 PM10

8 Isparta Good 23.0 PM10

9 Kırıkkale Good 23.0 PM10

10 Sinop Good 24.1 O₃

Trend Analysis

Auto-detected statistical changes

Rising Trend

Artvin — NO₂

Consecutive Weeks 4

Trend Start 11.5 µg/m³

Trend End 23.6 µg/m³

Rising Trend

Uşak — SO₂

Consecutive Weeks 4

Trend Start 15.2 µg/m³

Trend End 30.4 µg/m³

Declining Trend

Balıkesir — PM10

Consecutive Weeks 4

Trend Start 168.7 µg/m³

Trend End 27.5 µg/m³

National Snapshot

81 provinces, daily average air quality index

Good

Moderate

Unhealthy for Sensitive

Unhealthy

Very Unhealthy

Hazardous