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Düzce

Good

Pollution ranking among 81 provinces

Düzce air quality analysis

31
AQI #38 / 81
Dominant Pollutant PM10
31
0 50 100 150 200 300 500

This Week

Pollutant averages

PM10
38.1 µg/m³
0 HKDYY limit (24h): 50 µg/m³
PM2.5
16.8 µg/m³
SO₂
5.4 µg/m³
0 HKDYY limit (1h): 350 µg/m³
NO₂
26.4 µg/m³
0 HKDYY limit (1h): 200 µg/m³
O₃
60.6 µg/m³
0 HKDYY limit (8h): 120 µg/m³
CO
1356.5 µg/m³
0 HKDYY limit (8h): 10000 µg/m³

12-Week Trend

Weekly pollutant averages

PM10
61.3 µg/m³ ▲ 5.4
12w ago This week
PM2.5
28.2 µg/m³ ▲ 3.9
12w ago This week
SO₂
5.3 µg/m³ —
12w ago This week
NO₂
29.5 µg/m³ ▼ 4.3
12w ago This week
O₃
59.8 µg/m³ ▼ 7.0
12w ago This week
CO
1453.6 µg/m³ ▼ 34.9
12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change
O₃ 58.9 52.8 +12%
PM10 41.7 56.9 -27%
PM2.5 18.9 32.2 -41%
CO 1538.1 593.9 +159%
NO₂ 31.1 42.6 -27%
SO₂ 4.7 1.0 +370%

Stations

3 active stations

Hava Kalitesi - Kuzey İç Anadolu THM
Government Station
40.8415, 31.1387
41 PM10
17 PM2.5
7 SO₂
43 NO₂
1292 CO
Last updated: 2026-04-24T05:48:54.180000
Hava Kalitesi - Kuzey İç Anadolu THM
Government Station
40.8607, 31.2288
29 PM10
22 NO₂
22 O₃
Last updated: 2026-04-24T05:24:30.093000
Kentsel-Trafik - Kuzey İç Anadolu THM
Government Station
40.8387, 31.1620
39 PM10
19 PM2.5
0 SO₂
64 NO₂
2670 CO
Last updated: 2026-04-24T05:18:53.612000
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