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Good

Pollution ranking among 81 provinces

Ordu air quality analysis

31
AQI #40 / 81
Dominant Pollutant PM2.5
31
0 50 100 150 200 300 500

This Week

Pollutant averages

PM10
29.4 µg/m³
0 HKDYY limit (24h): 50 µg/m³
PM2.5
19.2 µg/m³
SO₂
9.8 µg/m³
0 HKDYY limit (1h): 350 µg/m³
NO₂
35.6 µg/m³
0 HKDYY limit (1h): 200 µg/m³
O₃
50.9 µg/m³
0 HKDYY limit (8h): 120 µg/m³
CO
695.5 µg/m³
0 HKDYY limit (8h): 10000 µg/m³

12-Week Trend

Weekly pollutant averages

PM10
43.4 µg/m³ ▲ 3.4
12w ago This week
PM2.5
28.9 µg/m³ ▲ 7.7
12w ago This week
SO₂
9.7 µg/m³ —
12w ago This week
NO₂
36.1 µg/m³ ▲ 1.5
12w ago This week
O₃
41.8 µg/m³ ▼ 1.0
12w ago This week
CO
806.0 µg/m³ ▲ 245.3
12w ago This week

Monthly Comparison

This month vs. same period last year

Pollutant Current Last Year Change
O₃ 45.0 43.4 +4%
PM10 37.2 34.3 +8%
PM2.5 21.6 12.7 +70%
CO 783.6 686.7 +14%
NO₂ 35.1 29.0 +21%
SO₂ 9.1 6.5 +40%

Stations

4 active stations

Hava Kalitesi - Orta Karadeniz THM
Government Station
40.9738, 37.9076
14 PM10
16 PM2.5
7 SO₂
67 NO₂
894 CO
Last updated: 2026-04-24T06:01:08.226000
Hava Kalitesi - Orta Karadeniz THM
Government Station
41.1209, 37.2800
26 PM10
7 SO₂
64 NO₂
19 O₃
Last updated: 2026-04-24T05:38:41.114000
Hava Kalitesi - Orta Karadeniz THM
Government Station
41.0272, 37.5000
11 PM10
8 SO₂
108 NO₂
Last updated: 2026-04-24T05:40:53.355000
Hava Kalitesi - Orta Karadeniz THM
Government Station
40.9832, 37.8790
6 PM10
19 SO₂
Last updated: 2026-04-24T05:43:15.904000
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