Air Quality
Excellent
No health implications.
19
PM2.5
25
PM10
87
O3
0.4
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
53
Good
Sun
20 Apr
66
Good
Mon
21 Apr
72
Good
Tue
22 Apr
68
Good
Wed
23 Apr
73
Good
Thu
24 Apr
67
Good
Fri
25 Apr
37
Excellent
Air quality in the last 12 months (Shangdu)
|
2025/02
|
57
|
29
|
23
|
27
|
39
|
65
|
25
|
23
|
33
|
52
|
50
|
41
|
54
|
50
|
72
|
21
|
26
|
19
|
20
|
20
|
23
|
26
|
23
|
46
|
35
|
47
|
59
|
49
|
|||
|
2025/01
|
50
|
21
|
32
|
35
|
41
|
22
|
32
|
22
|
24
|
31
|
39
|
33
|
44
|
26
|
36
|
56
|
45
|
50
|
46
|
53
|
29
|
40
|
50
|
41
|
69
|
105
|
25
|
44
|
202
|
76
|
66
|
|
2024/12
|
38
|
24
|
27
|
22
|
22
|
24
|
23
|
33
|
34
|
29
|
33
|
39
|
29
|
30
|
36
|
35
|
23
|
25
|
42
|
33
|
25
|
36
|
34
|
49
|
46
|
24
|
26
|
49
|
100
|
51
|
42
|
|
2024/11
|
50
|
44
|
29
|
20
|
25
|
37
|
51
|
66
|
84
|
34
|
46
|
41
|
55
|
50
|
50
|
46
|
30
|
35
|
53
|
51
|
30
|
36
|
56
|
66
|
28
|
34
|
29
|
21
|
23
|
38
|
|
|
2024/10
|
18
|
19
|
29
|
44
|
43
|
25
|
20
|
32
|
35
|
29
|
39
|
47
|
47
|
38
|
22
|
51
|
64
|
28
|
21
|
25
|
30
|
20
|
33
|
43
|
50
|
29
|
19
|
31
|
24
|
30
|
35
|
|
2024/09
|
20
|
21
|
30
|
28
|
20
|
20
|
21
|
31
|
31
|
18
|
19
|
25
|
25
|
17
|
22
|
21
|
20
|
34
|
41
|
20
|
19
|
20
|
30
|
34
|
18
|
30
|
55
|
48
|
29
|
17
|
|
|
2024/08
|
21
|
31
|
31
|
32
|
27
|
23
|
34
|
31
|
32
|
60
|
19
|
20
|
21
|
26
|
29
|
44
|
32
|
28
|
30
|
22
|
16
|
15
|
16
|
22
|
20
|
20
|
26
|
30
|
32
|
28
|
30
|
|
2024/07
|
17
|
27
|
26
|
23
|
28
|
23
|
30
|
29
|
44
|
44
|
42
|
29
|
29
|
39
|
40
|
24
|
17
|
19
|
30
|
29
|
60
|
72
|
33
|
33
|
27
|
22
|
21
|
19
|
20
|
27
|
24
|
|
2024/06
|
23
|
26
|
36
|
34
|
42
|
32
|
19
|
29
|
26
|
35
|
29
|
33
|
28
|
19
|
20
|
18
|
24
|
43
|
34
|
40
|
76
|
391
|
107
|
19
|
23
|
46
|
49
|
46
|
31
|
24
|
|
|
2024/05
|
28
|
34
|
46
|
51
|
40
|
30
|
21
|
28
|
51
|
129
|
41
|
21
|
33
|
51
|
33
|
54
|
47
|
77
|
63
|
39
|
44
|
62
|
64
|
54
|
45
|
30
|
24
|
27
|
52
|
40
|
25
|
|
2024/04
|
46
|
38
|
18
|
37
|
37
|
21
|
32
|
41
|
53
|
52
|
58
|
68
|
67
|
157
|
159
|
28
|
36
|
45
|
53
|
21
|
45
|
54
|
23
|
58
|
182
|
69
|
152
|
30
|
22
|
20
|
|
|
2024/03
|
30
|
68
|
29
|
55
|
28
|
20
|
27
|
23
|
41
|
52
|
26
|
22
|
25
|
45
|
64
|
109
|
35
|
111
|
42
|
25
|
74
|
25
|
44
|
40
|
42
|
66
|
219
|
219
|
55
|
24
|
20
|
|
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