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Bolu

Good

Pollution ranking among 81 provinces

Bolu air quality analysis

25

AQI #66 / 81

Dominant Pollutant PM2.5

25

0 50 100 150 200 300 500

This Week

Pollutant averages

PM10

20.2 µg/m³

0 HKDYY limit (24h): 50 µg/m³

PM2.5

15.4 µg/m³

SO₂

4.5 µg/m³

0 HKDYY limit (1h): 350 µg/m³

NO₂

34.2 µg/m³

0 HKDYY limit (1h): 200 µg/m³

O₃

66.9 µg/m³

0 HKDYY limit (8h): 120 µg/m³

CO

324.0 µg/m³

0 HKDYY limit (8h): 10000 µg/m³

12-Week Trend

Weekly pollutant averages

PM10

18.9 µg/m³ ▼ 2.6

12w ago This week

PM2.5

14.1 µg/m³ ▲ 0.8

12w ago This week

SO₂

4.2 µg/m³ —

12w ago This week

NO₂

32.3 µg/m³ ▼ 10.4

12w ago This week

O₃

70.9 µg/m³ ▲ 3.7

12w ago This week

CO

260.2 µg/m³ ▼ 152.8

12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change

CO 599.7 0.0 —

SO₂ 5.9 0.0 —

PM2.5 11.8 0.0 —

O₃ 58.7 0.0 —

PM10 49.1 0.0 —

NO₂ 35.3 0.0 —

Stations

3 active stations

Hava Kalitesi - Kuzey İç Anadolu THM

Government Station

40.7264, 31.6050

2 PM10

14 PM2.5

7 SO₂

39 NO₂

26 O₃

Last updated: 2026-06-10T06:03:20.249000

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

34 PM10

22 PM2.5

1 SO₂

38 NO₂

61 CO

Last updated: 2026-06-10T04:24:44.388000

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