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Bolu

Good

Pollution ranking among 81 provinces

Bolu air quality analysis

24

AQI #67 / 81

Dominant Pollutant O₃

24

0 50 100 150 200 300 500

This Week

Pollutant averages

PM10

20.1 µg/m³

0 HKDYY limit (24h): 50 µg/m³

PM2.5

14.2 µg/m³

SO₂

4.4 µg/m³

0 HKDYY limit (1h): 350 µg/m³

NO₂

35.1 µg/m³

0 HKDYY limit (1h): 200 µg/m³

O₃

69.7 µg/m³

0 HKDYY limit (8h): 120 µg/m³

CO

332.9 µg/m³

0 HKDYY limit (8h): 10000 µg/m³

12-Week Trend

Weekly pollutant averages

PM10

17.7 µg/m³ ▲ 2.8

12w ago This week

PM2.5

8.1 µg/m³ ▲ 2.6

12w ago This week

SO₂

4.0 µg/m³ —

12w ago This week

NO₂

23.5 µg/m³ ▼ 7.5

12w ago This week

O₃

62.5 µg/m³ ▲ 9.3

12w ago This week

CO

151.2 µg/m³ ▼ 152.5

12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change

O₃ 58.5 0.0 —

CO 666.5 0.0 —

NO₂ 36.0 0.0 —

PM2.5 12.3 0.0 —

PM10 51.4 0.0 —

SO₂ 6.6 0.0 —

Stations

3 active stations

Hava Kalitesi - Kuzey İç Anadolu THM

Government Station

40.7264, 31.6050

3 PM10

28 PM2.5

6 SO₂

20 NO₂

24 O₃

Last updated: 2026-06-07T05:37:19.623000

Kırsal - Kuzey İç Anadolu THM

Government Station

40.6036, 31.2594

10 SO₂

116 CO

Last updated: 2026-05-18T10:17:44.777000

Kentsel-Trafik - Kuzey İç Anadolu THM

Government Station

40.7324, 31.5994

46 PM10

26 PM2.5

1 SO₂

33 NO₂

160 CO

Last updated: 2026-06-07T05:24:27.453000

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