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Kastamonu

Good

Pollution ranking among 81 provinces

Kastamonu air quality analysis

30

AQI #43 / 81

Dominant Pollutant O₃

30

0 50 100 150 200 300 500

This Week

Pollutant averages

PM10

7.0 µg/m³

0 HKDYY limit (24h): 50 µg/m³

SO₂

5.8 µg/m³

0 HKDYY limit (1h): 350 µg/m³

O₃

94.1 µg/m³

0 HKDYY limit (8h): 120 µg/m³

12-Week Trend

Weekly pollutant averages

PM10

23.2 µg/m³ ▲ 11.5

12w ago This week

PM2.5

0.0 µg/m³ —

12w ago This week

SO₂

6.8 µg/m³ —

12w ago This week

NO₂

0.0 µg/m³ —

12w ago This week

O₃

95.5 µg/m³ ▼ 5.3

12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change

O₃ 90.6 66.0 +37%

PM10 7.1 41.2 -83%

PM2.5 9.0 14.9 -40%

CO 0.0 639.3 -100%

NO₂ 2.9 31.8 -91%

SO₂ 5.2 4.7 +11%

Stations

2 active stations

Kırsal - Kuzey İç Anadolu THM

Government Station

41.6859, 33.5045

5 PM10

7 SO₂

90 O₃

Last updated: 2026-04-24T05:20:09.053000

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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