Air Quality
Excellent
No health implications.
15
PM2.5
50
PM10
145
O3
0.8
CO
15
SO2
34
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
71
Good
Thu
21 May
71
Good
Fri
22 May
78
Good
Sat
23 May
86
Good
Sun
24 May
77
Good
Mon
25 May
75
Good
Tue
26 May
28
Excellent
Air quality in the last 12 months (Shangdang)
|
2026/04
|
52
|
64
|
103
|
68
|
81
|
69
|
68
|
57
|
54
|
63
|
59
|
66
|
51
|
53
|
55
|
62
|
70
|
74
|
93
|
97
|
66
|
51
|
56
|
57
|
60
|
61
|
98
|
81
|
53
|
60
|
|
|
2026/03
|
48
|
80
|
113
|
68
|
56
|
63
|
61
|
76
|
95
|
97
|
97
|
65
|
127
|
67
|
64
|
83
|
71
|
64
|
71
|
73
|
78
|
76
|
84
|
100
|
73
|
82
|
89
|
79
|
51
|
76
|
69
|
|
2026/02
|
89
|
61
|
87
|
80
|
79
|
81
|
53
|
43
|
62
|
94
|
72
|
79
|
76
|
70
|
60
|
66
|
117
|
53
|
49
|
60
|
102
|
251
|
100
|
78
|
63
|
53
|
44
|
44
|
|||
|
2026/01
|
97
|
137
|
107
|
111
|
114
|
39
|
54
|
62
|
62
|
83
|
53
|
73
|
71
|
60
|
69
|
80
|
90
|
94
|
89
|
81
|
71
|
82
|
62
|
79
|
188
|
142
|
120
|
105
|
212
|
157
|
113
|
|
2025/12
|
105
|
82
|
45
|
60
|
70
|
60
|
64
|
81
|
94
|
98
|
90
|
59
|
59
|
64
|
88
|
103
|
85
|
76
|
94
|
58
|
64
|
79
|
94
|
85
|
45
|
60
|
65
|
63
|
60
|
99
|
62
|
|
2025/11
|
48
|
62
|
72
|
91
|
79
|
106
|
52
|
58
|
74
|
71
|
77
|
71
|
70
|
66
|
59
|
60
|
42
|
40
|
48
|
61
|
57
|
59
|
75
|
94
|
72
|
142
|
164
|
85
|
69
|
69
|
|
|
2025/10
|
51
|
32
|
43
|
54
|
42
|
19
|
27
|
31
|
23
|
22
|
27
|
21
|
37
|
54
|
68
|
52
|
25
|
36
|
49
|
53
|
70
|
55
|
70
|
95
|
43
|
64
|
47
|
68
|
53
|
100
|
74
|
|
2025/09
|
55
|
50
|
44
|
42
|
44
|
64
|
80
|
69
|
57
|
53
|
32
|
46
|
56
|
54
|
47
|
33
|
29
|
28
|
35
|
45
|
35
|
24
|
37
|
43
|
52
|
53
|
37
|
49
|
58
|
58
|
|
|
2025/08
|
57
|
60
|
63
|
56
|
46
|
47
|
52
|
59
|
43
|
50
|
51
|
60
|
57
|
60
|
51
|
41
|
55
|
49
|
49
|
52
|
44
|
54
|
53
|
47
|
56
|
47
|
50
|
46
|
51
|
58
|
53
|
|
2025/07
|
36
|
39
|
43
|
46
|
39
|
51
|
50
|
53
|
54
|
56
|
66
|
58
|
63
|
62
|
56
|
69
|
60
|
56
|
58
|
54
|
47
|
51
|
42
|
41
|
42
|
49
|
47
|
48
|
57
|
48
|
55
|
|
2025/06
|
61
|
63
|
46
|
52
|
53
|
56
|
66
|
69
|
67
|
51
|
62
|
61
|
59
|
48
|
51
|
45
|
46
|
51
|
47
|
55
|
60
|
56
|
49
|
49
|
50
|
53
|
62
|
45
|
55
|
47
|
|
|
2025/05
|
61
|
84
|
62
|
57
|
154
|
98
|
105
|
105
|
63
|
56
|
55
|
54
|
61
|
61
|
59
|
61
|
105
|
74
|
68
|
71
|
78
|
72
|
71
|
53
|
55
|
55
|
71
|
58
|
64
|
63
|
53
|
|
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