Air Quality
Excellent
No health implications.
27
PM2.5
46
PM10
86
O3
0.6
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
110
Light
Fri
2 May
126
Light
Sat
3 May
124
Light
Sun
4 May
100
Good
Mon
5 May
61
Good
Tue
6 May
43
Excellent
Wed
7 May
42
Excellent
Air quality in the last 12 months (Shangcheng)
|
2025/02
|
25
|
57
|
83
|
55
|
37
|
66
|
56
|
29
|
38
|
56
|
88
|
93
|
108
|
71
|
86
|
42
|
74
|
45
|
64
|
48
|
31
|
58
|
92
|
84
|
101
|
91
|
83
|
44
|
|||
|
2025/01
|
97
|
88
|
77
|
84
|
104
|
83
|
77
|
78
|
44
|
45
|
61
|
68
|
83
|
80
|
52
|
50
|
65
|
87
|
82
|
115
|
147
|
145
|
78
|
43
|
34
|
43
|
36
|
45
|
127
|
71
|
60
|
|
2024/12
|
56
|
55
|
102
|
54
|
53
|
84
|
152
|
35
|
56
|
41
|
31
|
77
|
84
|
87
|
57
|
55
|
57
|
87
|
38
|
54
|
86
|
61
|
68
|
60
|
91
|
144
|
64
|
61
|
68
|
81
|
76
|
|
2024/11
|
9
|
34
|
61
|
70
|
39
|
37
|
32
|
41
|
42
|
41
|
51
|
49
|
50
|
50
|
42
|
35
|
23
|
30
|
38
|
43
|
50
|
87
|
45
|
37
|
33
|
31
|
41
|
51
|
42
|
53
|
|
|
2024/10
|
19
|
25
|
28
|
26
|
26
|
15
|
13
|
29
|
40
|
51
|
69
|
58
|
31
|
48
|
45
|
34
|
33
|
32
|
20
|
39
|
47
|
32
|
49
|
39
|
40
|
18
|
12
|
50
|
51
|
44
|
33
|
|
2024/09
|
47
|
53
|
42
|
35
|
34
|
38
|
53
|
35
|
29
|
41
|
15
|
35
|
20
|
24
|
24
|
17
|
15
|
22
|
20
|
15
|
18
|
27
|
30
|
41
|
51
|
55
|
24
|
33
|
32
|
31
|
|
|
2024/08
|
19
|
20
|
39
|
37
|
31
|
34
|
45
|
38
|
37
|
43
|
35
|
25
|
23
|
28
|
29
|
41
|
29
|
40
|
23
|
19
|
15
|
22
|
35
|
43
|
42
|
47
|
47
|
26
|
24
|
29
|
41
|
|
2024/07
|
22
|
22
|
20
|
22
|
22
|
30
|
27
|
27
|
27
|
26
|
40
|
36
|
27
|
27
|
35
|
30
|
28
|
25
|
22
|
25
|
33
|
27
|
26
|
23
|
27
|
20
|
12
|
15
|
14
|
15
|
20
|
|
2024/06
|
15
|
27
|
32
|
47
|
43
|
23
|
32
|
34
|
45
|
24
|
26
|
24
|
39
|
54
|
46
|
47
|
23
|
24
|
14
|
11
|
26
|
24
|
17
|
16
|
17
|
17
|
10
|
17
|
20
|
31
|
|
|
2024/05
|
33
|
40
|
39
|
39
|
25
|
24
|
53
|
54
|
36
|
52
|
45
|
48
|
64
|
56
|
61
|
33
|
45
|
50
|
48
|
50
|
35
|
42
|
58
|
42
|
43
|
22
|
20
|
23
|
31
|
46
|
21
|
|
2024/04
|
61
|
14
|
19
|
41
|
48
|
42
|
32
|
23
|
42
|
68
|
60
|
69
|
42
|
18
|
46
|
82
|
20
|
39
|
54
|
35
|
37
|
24
|
28
|
43
|
48
|
47
|
40
|
42
|
23
|
25
|
|
|
2024/03
|
43
|
57
|
56
|
57
|
35
|
54
|
85
|
70
|
80
|
91
|
59
|
70
|
62
|
81
|
79
|
48
|
72
|
66
|
58
|
73
|
75
|
52
|
58
|
61
|
47
|
29
|
55
|
31
|
31
|
45
|
82
|
|
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