Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
63
*
PM10
31
O3
0.6
CO
6
SO2
38
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
49
Excellent
Wed
17 Dec
74
Good
Thu
18 Dec
70
Good
Fri
19 Dec
48
Excellent
Sat
20 Dec
52
Good
Sun
21 Dec
49
Excellent
Mon
22 Dec
41
Excellent
Air quality in the last 12 months (Sanmen)
|
2025/11
|
51
|
61
|
29
|
42
|
33
|
35
|
33
|
41
|
17
|
41
|
25
|
20
|
21
|
46
|
47
|
44
|
35
|
32
|
42
|
59
|
66
|
77
|
61
|
58
|
87
|
88
|
91
|
141
|
88
|
73
|
|
|
2025/10
|
27
|
22
|
18
|
25
|
23
|
31
|
38
|
24
|
21
|
26
|
33
|
38
|
32
|
40
|
31
|
27
|
23
|
24
|
20
|
23
|
26
|
27
|
29
|
33
|
38
|
40
|
41
|
27
|
30
|
34
|
18
|
|
2025/09
|
19
|
17
|
17
|
24
|
21
|
17
|
20
|
19
|
28
|
18
|
24
|
25
|
26
|
19
|
23
|
17
|
18
|
25
|
15
|
24
|
17
|
25
|
17
|
15
|
16
|
19
|
26
|
23
|
33
|
26
|
|
|
2025/08
|
36
|
31
|
32
|
31
|
19
|
25
|
31
|
40
|
40
|
42
|
39
|
22
|
17
|
17
|
15
|
19
|
22
|
20
|
19
|
30
|
36
|
25
|
21
|
16
|
16
|
18
|
13
|
15
|
15
|
17
|
19
|
|
2025/07
|
14
|
21
|
23
|
23
|
15
|
12
|
7
|
10
|
15
|
25
|
12
|
20
|
26
|
38
|
40
|
34
|
31
|
21
|
16
|
19
|
15
|
17
|
17
|
18
|
14
|
18
|
18
|
14
|
18
|
10
|
28
|
|
2025/06
|
25
|
33
|
20
|
33
|
37
|
29
|
35
|
39
|
31
|
25
|
14
|
23
|
13
|
16
|
17
|
19
|
37
|
29
|
18
|
16
|
27
|
37
|
25
|
27
|
25
|
33
|
26
|
21
|
16
|
10
|
|
|
2025/05
|
38
|
40
|
49
|
28
|
33
|
59
|
65
|
46
|
26
|
34
|
36
|
34
|
32
|
31
|
25
|
26
|
33
|
38
|
26
|
26
|
20
|
30
|
17
|
38
|
53
|
37
|
28
|
26
|
23
|
44
|
43
|
|
2025/04
|
38
|
48
|
59
|
42
|
42
|
58
|
51
|
54
|
56
|
46
|
48
|
78
|
94
|
86
|
57
|
58
|
59
|
51
|
38
|
57
|
42
|
31
|
29
|
43
|
34
|
36
|
39
|
38
|
38
|
33
|
|
|
2025/03
|
40
|
41
|
49
|
18
|
28
|
27
|
46
|
60
|
51
|
34
|
46
|
45
|
24
|
31
|
12
|
41
|
41
|
49
|
52
|
56
|
46
|
49
|
53
|
60
|
65
|
63
|
59
|
48
|
45
|
42
|
30
|
|
2025/02
|
21
|
32
|
67
|
60
|
46
|
53
|
56
|
35
|
39
|
49
|
35
|
58
|
69
|
40
|
54
|
69
|
66
|
31
|
52
|
39
|
20
|
39
|
53
|
96
|
92
|
93
|
85
|
46
|
|||
|
2025/01
|
63
|
56
|
58
|
54
|
68
|
81
|
84
|
86
|
52
|
37
|
60
|
66
|
70
|
63
|
67
|
48
|
67
|
65
|
59
|
88
|
117
|
70
|
42
|
42
|
42
|
39
|
38
|
38
|
78
|
51
|
34
|
|
2024/12
|
58
|
54
|
64
|
52
|
43
|
47
|
132
|
50
|
42
|
53
|
26
|
68
|
39
|
115
|
63
|
55
|
61
|
71
|
34
|
48
|
76
|
61
|
57
|
48
|
58
|
103
|
68
|
53
|
59
|
61
|
81
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution