Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
66
*
PM10
165
O3
0.4
CO
6
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 May
99
Good
Sun
4 May
83
Good
Mon
5 May
49
Excellent
Tue
6 May
88
Good
Wed
7 May
78
Good
Thu
8 May
59
Good
Fri
9 May
43
Excellent
Air quality in the last 12 months (Sanmen)
|
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
|
|
2024/11
|
8
|
24
|
53
|
58
|
36
|
30
|
31
|
36
|
34
|
24
|
28
|
40
|
44
|
37
|
20
|
19
|
14
|
23
|
27
|
34
|
47
|
67
|
51
|
35
|
39
|
30
|
48
|
54
|
50
|
51
|
|
|
2024/10
|
16
|
21
|
22
|
22
|
16
|
12
|
10
|
24
|
38
|
48
|
58
|
46
|
30
|
35
|
34
|
28
|
32
|
37
|
26
|
33
|
48
|
36
|
32
|
27
|
30
|
19
|
16
|
33
|
46
|
33
|
20
|
|
2024/09
|
34
|
36
|
30
|
24
|
22
|
28
|
32
|
22
|
28
|
34
|
20
|
28
|
16
|
24
|
21
|
19
|
17
|
19
|
14
|
19
|
20
|
25
|
22
|
26
|
30
|
29
|
24
|
31
|
31
|
20
|
|
|
2024/08
|
25
|
34
|
38
|
43
|
34
|
32
|
39
|
34
|
30
|
33
|
41
|
45
|
43
|
26
|
37
|
41
|
29
|
18
|
15
|
20
|
19
|
24
|
35
|
37
|
31
|
26
|
40
|
25
|
26
|
23
|
28
|
|
2024/07
|
35
|
32
|
27
|
27
|
32
|
25
|
26
|
25
|
30
|
35
|
42
|
45
|
33
|
27
|
22
|
18
|
25
|
28
|
31
|
21
|
24
|
17
|
18
|
20
|
26
|
21
|
23
|
21
|
16
|
16
|
18
|
|
2024/06
|
21
|
19
|
33
|
54
|
40
|
13
|
18
|
37
|
39
|
18
|
15
|
22
|
28
|
29
|
35
|
26
|
14
|
25
|
28
|
28
|
38
|
39
|
43
|
31
|
25
|
24
|
42
|
29
|
24
|
28
|
|
|
2024/05
|
19
|
39
|
33
|
36
|
48
|
41
|
53
|
51
|
27
|
32
|
39
|
38
|
49
|
43
|
52
|
37
|
28
|
37
|
33
|
30
|
28
|
34
|
30
|
37
|
19
|
21
|
26
|
17
|
28
|
38
|
41
|
|
2024/04
|
53
|
28
|
33
|
28
|
33
|
35
|
38
|
26
|
48
|
58
|
50
|
30
|
30
|
24
|
55
|
62
|
24
|
43
|
99
|
66
|
41
|
19
|
26
|
36
|
38
|
46
|
43
|
28
|
42
|
19
|
|
|
2024/03
|
28
|
52
|
57
|
56
|
42
|
30
|
70
|
65
|
69
|
54
|
44
|
70
|
55
|
66
|
54
|
37
|
56
|
60
|
54
|
78
|
72
|
69
|
60
|
52
|
53
|
25
|
39
|
36
|
46
|
50
|
54
|
|
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