Air Quality
Excellent
No health implications.
9
PM2.5
21
PM10
41
O3
0.5
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
41
Excellent
Tue
14 Jul
44
Excellent
Wed
15 Jul
47
Excellent
Thu
16 Jul
49
Excellent
Fri
17 Jul
50
Excellent
Sat
18 Jul
46
Excellent
Sun
19 Jul
20
Excellent
Air quality in the last 12 months (Sanmen)
|
2026/06
|
37
|
59
|
47
|
40
|
40
|
28
|
34
|
29
|
26
|
37
|
38
|
35
|
30
|
31
|
29
|
24
|
31
|
32
|
20
|
27
|
32
|
30
|
25
|
30
|
21
|
29
|
41
|
40
|
26
|
21
|
|
|
2026/05
|
43
|
39
|
35
|
35
|
41
|
37
|
41
|
33
|
29
|
34
|
36
|
29
|
31
|
23
|
26
|
27
|
28
|
31
|
29
|
35
|
40
|
46
|
32
|
38
|
37
|
34
|
41
|
41
|
55
|
45
|
42
|
|
2026/04
|
38
|
43
|
41
|
35
|
47
|
43
|
38
|
36
|
38
|
50
|
47
|
35
|
55
|
44
|
50
|
26
|
47
|
44
|
55
|
56
|
35
|
29
|
20
|
38
|
49
|
55
|
49
|
55
|
30
|
34
|
|
|
2026/03
|
28
|
17
|
27
|
26
|
24
|
41
|
46
|
37
|
32
|
40
|
38
|
41
|
53
|
45
|
43
|
36
|
42
|
49
|
34
|
57
|
29
|
34
|
33
|
30
|
46
|
45
|
32
|
43
|
51
|
36
|
32
|
|
2026/02
|
44
|
52
|
72
|
46
|
55
|
47
|
24
|
54
|
35
|
33
|
62
|
87
|
66
|
43
|
35
|
25
|
40
|
60
|
64
|
46
|
30
|
50
|
103
|
28
|
22
|
29
|
12
|
28
|
|||
|
2026/01
|
21
|
47
|
63
|
63
|
67
|
97
|
58
|
58
|
76
|
66
|
75
|
67
|
65
|
60
|
56
|
75
|
70
|
61
|
34
|
13
|
37
|
51
|
56
|
86
|
83
|
54
|
27
|
53
|
41
|
37
|
11
|
|
2025/12
|
78
|
66
|
54
|
50
|
51
|
56
|
56
|
66
|
44
|
47
|
56
|
41
|
39
|
49
|
61
|
55
|
78
|
88
|
49
|
70
|
46
|
38
|
49
|
46
|
41
|
37
|
44
|
51
|
48
|
72
|
29
|
|
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
|
|
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