Air Quality
Excellent
No health implications.
10
PM2.5
30
PM10
65
O3
0.4
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Nov
43
Excellent
Fri
14 Nov
48
Excellent
Sat
15 Nov
47
Excellent
Sun
16 Nov
44
Excellent
Mon
17 Nov
48
Excellent
Tue
18 Nov
47
Excellent
Wed
19 Nov
41
Excellent
Air quality in the last 12 months (Sanmen)
|
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
|
|
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
|
|
|
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