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Kastamonu

Good

Pollution ranking among 81 provinces

Kastamonu air quality analysis

28

AQI #43 / 81

Dominant Pollutant O₃

28

0 50 100 150 200 300 500

This Week

Pollutant averages

PM10

7.1 µg/m³

0 HKDYY limit (24h): 50 µg/m³

PM2.5

3.1 µg/m³

SO₂

6.8 µg/m³

0 HKDYY limit (1h): 350 µg/m³

NO₂

2.0 µg/m³

0 HKDYY limit (1h): 200 µg/m³

O₃

94.5 µg/m³

0 HKDYY limit (8h): 120 µg/m³

12-Week Trend

Weekly pollutant averages

PM10

5.9 µg/m³ ▼ 0.6

12w ago This week

PM2.5

2.3 µg/m³ ▲ 1.2

12w ago This week

SO₂

6.6 µg/m³ ▲ 0.6

12w ago This week

NO₂

1.4 µg/m³ —

12w ago This week

O₃

89.0 µg/m³ ▲ 2.6

12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change

O₃ 89.0 0.0 —

NO₂ 2.2 0.0 —

PM2.5 3.2 0.0 —

PM10 7.2 0.0 —

SO₂ 5.7 0.0 —

Stations

2 active stations

Kırsal - Kuzey İç Anadolu THM

Government Station

41.6859, 33.5045

8 PM10

5 PM2.5

6 SO₂

1 NO₂

87 O₃

Last updated: 2026-06-07T05:18:02.504000

Hava Kalitesi - Kuzey İç Anadolu THM

Government Station

41.3889, 33.7781

31 PM10

15 PM2.5

2 SO₂

20 NO₂

37 O₃

252 CO

Last updated: 2025-05-12T10:22:18.289000

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