Air Quality
Excellent
No health implications.
30
PM2.5
32
PM10
40
O3
0.6
CO
12
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
38
Excellent
Mon
30 Jan
39
Excellent
Tue
31 Jan
40
Excellent
Wed
1 Feb
37
Excellent
Thu
2 Feb
44
Excellent
Fri
3 Feb
43
Excellent
Sat
4 Feb
40
Excellent
Air quality in the last 12 months (Shanghang)
|
2022/12
|
9
|
13
|
24
|
23
|
11
|
17
|
27
|
32
|
31
|
30
|
36
|
30
|
49
|
24
|
22
|
18
|
26
|
29
|
33
|
45
|
34
|
41
|
39
|
36
|
40
|
43
|
49
|
60
|
74
|
45
|
34
|
|
2022/11
|
26
|
18
|
21
|
26
|
18
|
25
|
34
|
31
|
35
|
37
|
43
|
42
|
43
|
61
|
59
|
37
|
36
|
41
|
41
|
29
|
41
|
38
|
14
|
12
|
14
|
20
|
29
|
25
|
23
|
14
|
|
|
2022/10
|
33
|
32
|
31
|
44
|
37
|
25
|
34
|
31
|
31
|
28
|
38
|
35
|
37
|
36
|
37
|
33
|
33
|
41
|
34
|
31
|
40
|
40
|
45
|
52
|
44
|
41
|
45
|
35
|
23
|
27
|
32
|
|
2022/09
|
24
|
30
|
34
|
29
|
37
|
37
|
28
|
33
|
46
|
59
|
57
|
51
|
46
|
39
|
31
|
38
|
44
|
55
|
52
|
56
|
49
|
54
|
52
|
48
|
56
|
44
|
32
|
34
|
39
|
36
|
|
|
2022/08
|
34
|
35
|
29
|
14
|
14
|
18
|
21
|
25
|
20
|
20
|
23
|
19
|
18
|
25
|
28
|
26
|
19
|
23
|
17
|
15
|
17
|
23
|
30
|
33
|
15
|
19
|
23
|
24
|
28
|
33
|
36
|
|
2022/07
|
18
|
16
|
13
|
16
|
14
|
16
|
16
|
20
|
17
|
20
|
24
|
30
|
32
|
36
|
34
|
28
|
25
|
24
|
24
|
20
|
24
|
31
|
33
|
39
|
43
|
49
|
44
|
44
|
44
|
32
|
32
|
|
2022/06
|
21
|
21
|
16
|
18
|
21
|
19
|
17
|
18
|
14
|
15
|
15
|
13
|
14
|
15
|
14
|
14
|
12
|
15
|
19
|
18
|
21
|
20
|
22
|
22
|
25
|
21
|
19
|
22
|
14
|
20
|
|
|
2022/05
|
12
|
22
|
44
|
40
|
46
|
54
|
57
|
44
|
30
|
24
|
15
|
14
|
13
|
15
|
17
|
19
|
29
|
40
|
49
|
50
|
46
|
31
|
34
|
20
|
21
|
19
|
16
|
20
|
19
|
23
|
23
|
|
2022/04
|
21
|
24
|
38
|
45
|
51
|
56
|
53
|
52
|
52
|
52
|
50
|
41
|
26
|
23
|
35
|
32
|
36
|
32
|
17
|
31
|
39
|
37
|
32
|
39
|
27
|
27
|
31
|
32
|
29
|
21
|
|
|
2022/03
|
45
|
61
|
69
|
56
|
61
|
49
|
33
|
29
|
40
|
45
|
51
|
52
|
49
|
47
|
55
|
62
|
34
|
26
|
38
|
43
|
34
|
22
|
15
|
28
|
17
|
18
|
16
|
19
|
26
|
30
|
32
|
|
2022/02
|
36
|
15
|
10
|
12
|
18
|
30
|
30
|
15
|
13
|
19
|
23
|
25
|
16
|
16
|
31
|
52
|
42
|
14
|
11
|
17
|
17
|
15
|
15
|
21
|
34
|
41
|
48
|
46
|
|||
|
2022/01
|
56
|
51
|
54
|
60
|
65
|
52
|
40
|
49
|
40
|
35
|
22
|
39
|
46
|
63
|
98
|
74
|
56
|
22
|
26
|
31
|
31
|
30
|
27
|
18
|
20
|
26
|
27
|
23
|
17
|
15
|
27
|
|
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