Harbin: luftföroreningar idag — AQI-index, PM2.5/PM10, smoglarm och prognos
- partiklar (PM2.5) damm - 37 (Ohälsosamt för känsliga grupper)
- partiklar (PM10) suspenderat damm - 39 (Måttlig)
- ozon (O3) - 29 (Bra)
- kvävedioxid (NO2) - 25 (Bra)
- svaveldioxid (SO2) - 15 (Bra)
- kolmonoxid (CO) - 1681 (Bra)
Vad är luftkvaliteten i Harbin i dag? Är luften förorenad i Harbin?. Finns det smog?
Vilken är den nuvarande nivån på PM2.5 i Harbin? (partiklar (PM2.5) damm)
Dagens PM2.5 nivå är:
37 (Ohälsosamt för känsliga grupper)
Som jämförelse var den högsta nivån av PM2,5 i Harbin under de senaste 7 dagarna: 26 (lördag 26 september 2026) och den lägsta: 9 (söndag 20 september 2026).
De högsta PM2,5-värdena registrerades: 143 (januari 2020).
Den lägsta nivån av partiklar PM2.5 föroreningar inträffar i månad: augusti (11).
Vad är nivån på PM10 idag i Harbin? (partiklar (PM10) suspenderat damm)
Den nuvarande partikelnivån PM10 i Harbin är:
39 (Måttlig)
De högsta PM10-värdena inträffar vanligtvis i månaden: 149 (januari 2020).
Det lägsta värdet av partikelutsläppEN PM10 föroreningar i Harbin registreras vanligtvis i: augusti (27).
Hur är O3-nivån idag i Harbin? (ozon (O3))
29 (Bra)
Hur hög är nivån på NO2? (kvävedioxid (NO2))
25 (Bra)
Vad är nivån på SO2 föroreningar? (svaveldioxid (SO2))
15 (Bra)
Hur hög är CO-nivån? (kolmonoxid (CO))
1681 (Bra)
Aktuella data söndag 27 september 2026 kl. 09:00
PM2,5 37 (Ohälsosamt för känsliga grupper)
PM10 39 (Måttlig)
O3 29 (Bra)
NO2 25 (Bra)
SO2 15 (Bra)
CO 1681 (Bra)
Uppgifter om luftföroreningar från de senaste dagarna i Harbin
index
2026-09-20
2026-09-21
2026-09-22
2026-09-23
2026-09-24
2026-09-25
2026-09-26
2026-09-07
2026-09-06
2026-09-05
2026-09-04
2026-09-03
2026-09-02
2026-09-01
2026-08-31
pm25
9
Good
19
Moderate
22
Moderate
16
Moderate
15
Moderate
20
Moderate
26
Moderate
10
Good
9
Good
20
Moderate
16
Moderate
14
Moderate
15
Moderate
21
Moderate
16
Moderate
pm10
10
Good
19
Good
22
Moderate
20
Moderate
16
Good
21
Moderate
28
Moderate
10
Good
10
Good
21
Moderate
17
Good
14
Good
15
Good
21
Moderate
16
Good
o3
47
Good
23
Good
40
Good
42
Good
27
Good
26
Good
21
Good
48
Good
56
Good
35
Good
31
Good
27
Good
26
Good
24
Good
23
Good
no2
22
Good
40
Moderate
34
Good
33
Good
42
Moderate
47
Moderate
43
Moderate
27
Good
30
Good
43
Moderate
46
Moderate
37
Good
34
Good
38
Good
30
Good
so2
6
Good
21
Good
22
Good
11
Good
13
Good
18
Good
21
Good
5
Good
7
Good
14
Good
12
Good
8
Good
8
Good
15
Good
8
Good
co
358
Good
1120
Good
1512
Good
478
Good
1503
Good
1152
Good
942
Good
723
Good
596
Good
1418
Good
1601
Good
907
Good
772
Good
997
Good
557
Good
data source »
Luftföroreningar i Harbin från oktober 2018 to maj 2020
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
pm25
24 (Moderate)
82 (Very Unhealthy)
38 (Unhealthy for Sensitive Groups)
53 (Unhealthy for Sensitive Groups)
143 (Very bad Hazardous)
86 (Very Unhealthy)
27 (Moderate)
27 (Moderate)
16 (Moderate)
11 (Good)
17 (Moderate)
14 (Moderate)
24 (Moderate)
34 (Moderate)
49 (Unhealthy for Sensitive Groups)
98 (Very Unhealthy)
71 (Unhealthy)
50 (Unhealthy for Sensitive Groups)
34 (Moderate)
28 (Moderate)
co
512 (Good)
753 (Good)
609 (Good)
707 (Good)
1 (Good)
1 (Good)
678 (Good)
721 (Good)
645 (Good)
530 (Good)
543 (Good)
526 (Good)
613 (Good)
724 (Good)
936 (Good)
1 (Good)
1 (Good)
506 (Good)
757 (Good)
787 (Good)
no2
22 (Good)
34 (Good)
26 (Good)
26 (Good)
65 (Moderate)
51 (Moderate)
34 (Good)
37 (Good)
31 (Good)
24 (Good)
31 (Good)
29 (Good)
27 (Good)
31 (Good)
40 (Good)
43 (Moderate)
49 (Moderate)
38 (Good)
40 (Moderate)
40 (Good)
o3
130 (Unhealthy for Sensitive Groups)
117 (Moderate)
103 (Moderate)
95 (Moderate)
69 (Good)
44 (Good)
53 (Good)
84 (Moderate)
100 (Moderate)
71 (Moderate)
120 (Unhealthy for Sensitive Groups)
112 (Moderate)
119 (Moderate)
100 (Moderate)
87 (Moderate)
76 (Moderate)
50 (Good)
49 (Good)
53 (Good)
62 (Good)
pm10
52 (Unhealthy for Sensitive Groups)
93 (Unhealthy)
55 (Unhealthy for Sensitive Groups)
60 (Unhealthy for Sensitive Groups)
149 (Very Unhealthy)
101 (Unhealthy)
44 (Moderate)
57 (Unhealthy for Sensitive Groups)
41 (Moderate)
27 (Moderate)
42 (Moderate)
34 (Moderate)
67 (Unhealthy for Sensitive Groups)
107 (Unhealthy)
86 (Unhealthy)
114 (Very Unhealthy)
104 (Unhealthy)
68 (Unhealthy for Sensitive Groups)
65 (Unhealthy for Sensitive Groups)
59 (Unhealthy for Sensitive Groups)
so2
14 (Good)
15 (Good)
16 (Good)
26 (Good)
42 (Good)
30 (Good)
16 (Good)
14 (Good)
9 (Good)
8.1 (Good)
9.4 (Good)
9.4 (Good)
12 (Good)
14 (Good)
18 (Good)
31 (Good)
39 (Good)
31 (Good)
22 (Good)
16 (Good)
data source »
Harbin
söndag 27 september 2026 kl. 09:00
PM2,5 37 (Ohälsosamt för känsliga grupper)
partiklar (PM2.5) damm
PM10 39 (Måttlig)
partiklar (PM10) suspenderat damm
O3 29 (Bra)
ozon (O3)
NO2 25 (Bra)
kvävedioxid (NO2)
SO2 15 (Bra)
svaveldioxid (SO2)
CO 1681 (Bra)
kolmonoxid (CO)
Harbin
index
2026-08-31
2026-09-01
2026-09-02
2026-09-03
2026-09-04
2026-09-05
2026-09-06
2026-09-07
2026-09-26
2026-09-25
2026-09-24
2026-09-23
2026-09-22
2026-09-21
2026-09-20
pm25
16
21
15
14
16
20
9.4
9.9
26
20
15
16
22
19
8.8
pm10
16
21
15
14
17
21
9.7
10
28
21
16
20
22
19
9.6
o3
23
24
26
27
31
35
56
48
21
26
27
42
40
23
47
no2
30
38
34
37
46
43
30
27
43
47
42
33
34
40
22
so2
8.3
15
8
8.3
12
14
7.4
5.1
21
18
13
11
22
21
6.3
co
557
997
772
907
1601
1418
596
723
942
1152
1503
478
1512
1120
358
动力和平路
2018-10 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
pm25
23
86
37
52
145
85
27
28
17
11
15
15
24
36
49
96
72
59
40
32
co
432
843
774
886
1
1
669
675
659
531
549
552
579
750
839
1
1
781
745
754
no2
19
32
26
23
64
54
35
37
32
23
34
31
25
30
38
44
48
34
38
41
o3
145
124
108
101
65
45
52
88
109
75
126
111
120
99
88
81
55
55
58
62
pm10
44
88
55
69
168
124
49
58
40
28
40
35
70
110
94
123
112
77
68
58
so2
17
20
20
31
51
36
19
18
9.9
9.8
11
10
12
16
20
29
44
37
23
17
南岗学府路
2018-10 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
pm25
24
74
41
56
147
90
30
28
17
12
20
15
23
32
52
103
79
47
30
26
co
621
709
523
649
1
1
774
765
650
550
539
515
579
646
986
1
1
737
658
744
no2
20
31
25
28
64
49
34
34
25
22
25
23
23
28
35
39
44
34
33
32
o3
121
109
98
90
69
42
53
85
100
73
120
114
121
101
83
67
45
46
50
64
pm10
42
80
47
55
137
84
39
53
38
25
42
31
59
97
81
112
101
67
62
61
so2
7.1
11
11
27
45
28
18
13
9.7
7.9
10
9.9
13
15
17
36
32
27
18
20
道外承德广场
2018-10 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
pm25
24
86
38
50
138
84
24
26
15
11
18
13
24
33
46
94
63
43
31
26
co
484
707
529
587
1
1
592
723
625
510
542
511
682
777
984
1
1
1
869
863
no2
28
39
28
26
66
50
32
41
35
26
34
34
33
35
46
47
56
46
49
47
o3
125
119
103
93
72
45
53
78
92
65
114
110
117
101
92
81
49
48
51
62
pm10
70
110
62
57
141
95
43
60
44
28
44
35
72
115
84
108
100
61
63
58
so2
17
15
18
21
28
25
12
12
7.3
6.5
7.6
7.9
11
11
16
29
40
29
26
13
* Pollution data source:
https://openaq.org
(ChinaAQIData)
The data is licensed under CC-By 4.0
🌦️ Väder · 16-dagarsprognos — Harbin
PM2,5 37 (Ohälsosamt för känsliga grupper)
PM10 39 (Måttlig)
O3 29 (Bra)
NO2 25 (Bra)
SO2 15 (Bra)
CO 1681 (Bra)
Uppgifter om luftföroreningar från de senaste dagarna i Harbin
| index | 2026-09-20 | 2026-09-21 | 2026-09-22 | 2026-09-23 | 2026-09-24 | 2026-09-25 | 2026-09-26 | 2026-09-07 | 2026-09-06 | 2026-09-05 | 2026-09-04 | 2026-09-03 | 2026-09-02 | 2026-09-01 | 2026-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 9 Good |
19 Moderate |
22 Moderate |
16 Moderate |
15 Moderate |
20 Moderate |
26 Moderate |
10 Good |
9 Good |
20 Moderate |
16 Moderate |
14 Moderate |
15 Moderate |
21 Moderate |
16 Moderate |
| pm10 | 10 Good |
19 Good |
22 Moderate |
20 Moderate |
16 Good |
21 Moderate |
28 Moderate |
10 Good |
10 Good |
21 Moderate |
17 Good |
14 Good |
15 Good |
21 Moderate |
16 Good |
| o3 | 47 Good |
23 Good |
40 Good |
42 Good |
27 Good |
26 Good |
21 Good |
48 Good |
56 Good |
35 Good |
31 Good |
27 Good |
26 Good |
24 Good |
23 Good |
| no2 | 22 Good |
40 Moderate |
34 Good |
33 Good |
42 Moderate |
47 Moderate |
43 Moderate |
27 Good |
30 Good |
43 Moderate |
46 Moderate |
37 Good |
34 Good |
38 Good |
30 Good |
| so2 | 6 Good |
21 Good |
22 Good |
11 Good |
13 Good |
18 Good |
21 Good |
5 Good |
7 Good |
14 Good |
12 Good |
8 Good |
8 Good |
15 Good |
8 Good |
| co | 358 Good |
1120 Good |
1512 Good |
478 Good |
1503 Good |
1152 Good |
942 Good |
723 Good |
596 Good |
1418 Good |
1601 Good |
907 Good |
772 Good |
997 Good |
557 Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 24 (Moderate) | 82 (Very Unhealthy) | 38 (Unhealthy for Sensitive Groups) | 53 (Unhealthy for Sensitive Groups) | 143 (Very bad Hazardous) | 86 (Very Unhealthy) | 27 (Moderate) | 27 (Moderate) | 16 (Moderate) | 11 (Good) | 17 (Moderate) | 14 (Moderate) | 24 (Moderate) | 34 (Moderate) | 49 (Unhealthy for Sensitive Groups) | 98 (Very Unhealthy) | 71 (Unhealthy) | 50 (Unhealthy for Sensitive Groups) | 34 (Moderate) | 28 (Moderate) |
| co | 512 (Good) | 753 (Good) | 609 (Good) | 707 (Good) | 1 (Good) | 1 (Good) | 678 (Good) | 721 (Good) | 645 (Good) | 530 (Good) | 543 (Good) | 526 (Good) | 613 (Good) | 724 (Good) | 936 (Good) | 1 (Good) | 1 (Good) | 506 (Good) | 757 (Good) | 787 (Good) |
| no2 | 22 (Good) | 34 (Good) | 26 (Good) | 26 (Good) | 65 (Moderate) | 51 (Moderate) | 34 (Good) | 37 (Good) | 31 (Good) | 24 (Good) | 31 (Good) | 29 (Good) | 27 (Good) | 31 (Good) | 40 (Good) | 43 (Moderate) | 49 (Moderate) | 38 (Good) | 40 (Moderate) | 40 (Good) |
| o3 | 130 (Unhealthy for Sensitive Groups) | 117 (Moderate) | 103 (Moderate) | 95 (Moderate) | 69 (Good) | 44 (Good) | 53 (Good) | 84 (Moderate) | 100 (Moderate) | 71 (Moderate) | 120 (Unhealthy for Sensitive Groups) | 112 (Moderate) | 119 (Moderate) | 100 (Moderate) | 87 (Moderate) | 76 (Moderate) | 50 (Good) | 49 (Good) | 53 (Good) | 62 (Good) |
| pm10 | 52 (Unhealthy for Sensitive Groups) | 93 (Unhealthy) | 55 (Unhealthy for Sensitive Groups) | 60 (Unhealthy for Sensitive Groups) | 149 (Very Unhealthy) | 101 (Unhealthy) | 44 (Moderate) | 57 (Unhealthy for Sensitive Groups) | 41 (Moderate) | 27 (Moderate) | 42 (Moderate) | 34 (Moderate) | 67 (Unhealthy for Sensitive Groups) | 107 (Unhealthy) | 86 (Unhealthy) | 114 (Very Unhealthy) | 104 (Unhealthy) | 68 (Unhealthy for Sensitive Groups) | 65 (Unhealthy for Sensitive Groups) | 59 (Unhealthy for Sensitive Groups) |
| so2 | 14 (Good) | 15 (Good) | 16 (Good) | 26 (Good) | 42 (Good) | 30 (Good) | 16 (Good) | 14 (Good) | 9 (Good) | 8.1 (Good) | 9.4 (Good) | 9.4 (Good) | 12 (Good) | 14 (Good) | 18 (Good) | 31 (Good) | 39 (Good) | 31 (Good) | 22 (Good) | 16 (Good) |
PM2,5 37 (Ohälsosamt för känsliga grupper)
partiklar (PM2.5) dammPM10 39 (Måttlig)
partiklar (PM10) suspenderat dammO3 29 (Bra)
ozon (O3)NO2 25 (Bra)
kvävedioxid (NO2)SO2 15 (Bra)
svaveldioxid (SO2)CO 1681 (Bra)
kolmonoxid (CO)Harbin
| index | 2026-08-31 | 2026-09-01 | 2026-09-02 | 2026-09-03 | 2026-09-04 | 2026-09-05 | 2026-09-06 | 2026-09-07 | 2026-09-26 | 2026-09-25 | 2026-09-24 | 2026-09-23 | 2026-09-22 | 2026-09-21 | 2026-09-20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 16 | 21 | 15 | 14 | 16 | 20 | 9.4 | 9.9 | 26 | 20 | 15 | 16 | 22 | 19 | 8.8 |
| pm10 | 16 | 21 | 15 | 14 | 17 | 21 | 9.7 | 10 | 28 | 21 | 16 | 20 | 22 | 19 | 9.6 |
| o3 | 23 | 24 | 26 | 27 | 31 | 35 | 56 | 48 | 21 | 26 | 27 | 42 | 40 | 23 | 47 |
| no2 | 30 | 38 | 34 | 37 | 46 | 43 | 30 | 27 | 43 | 47 | 42 | 33 | 34 | 40 | 22 |
| so2 | 8.3 | 15 | 8 | 8.3 | 12 | 14 | 7.4 | 5.1 | 21 | 18 | 13 | 11 | 22 | 21 | 6.3 |
| co | 557 | 997 | 772 | 907 | 1601 | 1418 | 596 | 723 | 942 | 1152 | 1503 | 478 | 1512 | 1120 | 358 |
动力和平路
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 23 | 86 | 37 | 52 | 145 | 85 | 27 | 28 | 17 | 11 | 15 | 15 | 24 | 36 | 49 | 96 | 72 | 59 | 40 | 32 |
| co | 432 | 843 | 774 | 886 | 1 | 1 | 669 | 675 | 659 | 531 | 549 | 552 | 579 | 750 | 839 | 1 | 1 | 781 | 745 | 754 |
| no2 | 19 | 32 | 26 | 23 | 64 | 54 | 35 | 37 | 32 | 23 | 34 | 31 | 25 | 30 | 38 | 44 | 48 | 34 | 38 | 41 |
| o3 | 145 | 124 | 108 | 101 | 65 | 45 | 52 | 88 | 109 | 75 | 126 | 111 | 120 | 99 | 88 | 81 | 55 | 55 | 58 | 62 |
| pm10 | 44 | 88 | 55 | 69 | 168 | 124 | 49 | 58 | 40 | 28 | 40 | 35 | 70 | 110 | 94 | 123 | 112 | 77 | 68 | 58 |
| so2 | 17 | 20 | 20 | 31 | 51 | 36 | 19 | 18 | 9.9 | 9.8 | 11 | 10 | 12 | 16 | 20 | 29 | 44 | 37 | 23 | 17 |
南岗学府路
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 24 | 74 | 41 | 56 | 147 | 90 | 30 | 28 | 17 | 12 | 20 | 15 | 23 | 32 | 52 | 103 | 79 | 47 | 30 | 26 |
| co | 621 | 709 | 523 | 649 | 1 | 1 | 774 | 765 | 650 | 550 | 539 | 515 | 579 | 646 | 986 | 1 | 1 | 737 | 658 | 744 |
| no2 | 20 | 31 | 25 | 28 | 64 | 49 | 34 | 34 | 25 | 22 | 25 | 23 | 23 | 28 | 35 | 39 | 44 | 34 | 33 | 32 |
| o3 | 121 | 109 | 98 | 90 | 69 | 42 | 53 | 85 | 100 | 73 | 120 | 114 | 121 | 101 | 83 | 67 | 45 | 46 | 50 | 64 |
| pm10 | 42 | 80 | 47 | 55 | 137 | 84 | 39 | 53 | 38 | 25 | 42 | 31 | 59 | 97 | 81 | 112 | 101 | 67 | 62 | 61 |
| so2 | 7.1 | 11 | 11 | 27 | 45 | 28 | 18 | 13 | 9.7 | 7.9 | 10 | 9.9 | 13 | 15 | 17 | 36 | 32 | 27 | 18 | 20 |
道外承德广场
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 24 | 86 | 38 | 50 | 138 | 84 | 24 | 26 | 15 | 11 | 18 | 13 | 24 | 33 | 46 | 94 | 63 | 43 | 31 | 26 |
| co | 484 | 707 | 529 | 587 | 1 | 1 | 592 | 723 | 625 | 510 | 542 | 511 | 682 | 777 | 984 | 1 | 1 | 1 | 869 | 863 |
| no2 | 28 | 39 | 28 | 26 | 66 | 50 | 32 | 41 | 35 | 26 | 34 | 34 | 33 | 35 | 46 | 47 | 56 | 46 | 49 | 47 |
| o3 | 125 | 119 | 103 | 93 | 72 | 45 | 53 | 78 | 92 | 65 | 114 | 110 | 117 | 101 | 92 | 81 | 49 | 48 | 51 | 62 |
| pm10 | 70 | 110 | 62 | 57 | 141 | 95 | 43 | 60 | 44 | 28 | 44 | 35 | 72 | 115 | 84 | 108 | 100 | 61 | 63 | 58 |
| so2 | 17 | 15 | 18 | 21 | 28 | 25 | 12 | 12 | 7.3 | 6.5 | 7.6 | 7.9 | 11 | 11 | 16 | 29 | 40 | 29 | 26 | 13 |
16-dagars väderprognos för Harbin: idag runt 17°C (regn), lägsta cirka 11°C. Temperatur och väder uppdateras dagligen. En måttlig vind (cirka 13 km/h) skingrar delvis föroreningarna idag.
☀️ UV-index · 16-dygnsprognos — Harbin
UV-index i Harbin är idag 4.4 (måttlig) — oskyddad ljus hud kan brännas på ca 45 minuter.
📍 Luftkvalitet i närliggande städer
Live PM2.5 runt Harbin — jämför platser i närheten.
- ChongjinNordkorea 8 µg/m³
- Shanghai 27 µg/m³
- Zhumadian 51 µg/m³
- Peking 47 µg/m³
- Nanchong 38 µg/m³
- Tai’an 72 µg/m³
- Yueyang 33 µg/m³
- Kaifeng 39 µg/m³