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Düzce

Good

Pollution ranking among 81 provinces

Düzce air quality today: AQI 45 (Good), ranked 34 of 81 provinces, dominant pollutant PM2.5. Daily data from 4 official stations with weekly trends and district detail.

45
AQI #34 / 81
Dominant Pollutant PM2.5
45
0 50 100 150 200 300 500

This Week

Pollutant averages

PM10
40.5 µg/m³
0 HKDYY limit (24h): 50 µg/m³
PM2.5
28.9 µg/m³
SO₂
7.3 µg/m³
0 HKDYY limit (1h): 350 µg/m³
NO₂
32.8 µg/m³
0 HKDYY limit (1h): 200 µg/m³
O₃
27.9 µg/m³
0 HKDYY limit (8h): 120 µg/m³
CO
1198.0 µg/m³
0 HKDYY limit (8h): 10000 µg/m³

12-Week Trend

Weekly pollutant averages

PM10
56.9 µg/m³ ▼ 6.9
12w ago This week
PM2.5
39.6 µg/m³ ▲ 3.0
12w ago This week
SO₂
9.4 µg/m³ ▲ 1.0
12w ago This week
NO₂
53.7 µg/m³ ▼ 12.2
12w ago This week
O₃
35.5 µg/m³ ▲ 5.3
12w ago This week
CO
1398.9 µg/m³ ▼ 154.5
12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change
CO 1240.1 453.1 +174%
NO₂ 37.4 24.2 +55%
SO₂ 7.2 3.6 +100%
PM10 47.9 44.3 +8%
PM2.5 25.3 18.8 +35%
O₃ 32.5 30.3 +7%

Stations

4 active stations

Hava Kalitesi - T.C. Çevre ve Şehircilik Bakanlığı
Government Station
40.8405, 31.1554
19 PM10
14 PM2.5
6 SO₂
29 NO₂
38 O₃
458 CO
Last updated: 2026-10-31T05:08:50.814000
Hava Kalitesi - Kuzey İç Anadolu THM
Government Station
40.8415, 31.1387
30 PM10
17 PM2.5
7 SO₂
17 NO₂
1409 CO
Last updated: 2026-10-31T04:05:27.804000
Hava Kalitesi - Kuzey İç Anadolu THM
Government Station
40.8607, 31.2288
13 PM10
18 NO₂
8 O₃
Last updated: 2026-10-31T05:28:40.557000
Kentsel-Trafik - Kuzey İç Anadolu THM
Government Station
40.8387, 31.1620
30 PM10
14 PM2.5
4 SO₂
600 CO
Last updated: 2026-09-30T10:22:18.719000

Hyperlocal monitoring for Düzce

The data on this page comes from official stations and shows a province wide average. Airqoon builds street scale sensor networks for enterprises, cities and industrial sites: Unit series devices, the real time Lens platform and public maps.

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