Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
30
O3
0.4
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Nov
57
Good
Tue
10 Nov
73
Good
Wed
11 Nov
83
Good
Thu
12 Nov
75
Good
Fri
13 Nov
76
Good
Sat
14 Nov
40
Excellent
Sun
15 Nov
48
Excellent
Air quality in the last 12 months (Weichang)
|
2026/08
|
25
|
26
|
24
|
21
|
23
|
25
|
20
|
23
|
27
|
32
|
35
|
21
|
21
|
22
|
23
|
20
|
20
|
22
|
26
|
34
|
37
|
38
|
31
|
31
|
26
|
23
|
24
|
23
|
21
|
20
|
20
|
|
2026/07
|
29
|
29
|
33
|
41
|
26
|
25
|
24
|
22
|
27
|
24
|
20
|
24
|
34
|
27
|
25
|
24
|
28
|
24
|
28
|
31
|
30
|
29
|
32
|
34
|
31
|
29
|
31
|
31
|
27
|
22
|
27
|
|
2026/06
|
32
|
40
|
19
|
16
|
16
|
16
|
17
|
17
|
18
|
19
|
21
|
32
|
34
|
24
|
38
|
37
|
27
|
33
|
48
|
25
|
20
|
28
|
26
|
22
|
23
|
26
|
33
|
43
|
40
|
32
|
|
|
2026/05
|
30
|
30
|
19
|
23
|
36
|
34
|
25
|
26
|
36
|
36
|
28
|
40
|
52
|
72
|
56
|
43
|
24
|
23
|
29
|
26
|
27
|
29
|
27
|
43
|
43
|
29
|
28
|
25
|
25
|
30
|
42
|
|
2026/04
|
24
|
43
|
67
|
38
|
39
|
24
|
23
|
40
|
31
|
31
|
43
|
41
|
33
|
50
|
57
|
50
|
36
|
50
|
104
|
90
|
29
|
34
|
42
|
43
|
42
|
36
|
26
|
21
|
23
|
30
|
|
|
2026/03
|
42
|
59
|
45
|
45
|
38
|
25
|
35
|
52
|
21
|
38
|
25
|
45
|
78
|
26
|
45
|
43
|
55
|
32
|
32
|
35
|
57
|
67
|
71
|
78
|
61
|
30
|
27
|
36
|
44
|
28
|
27
|
|
2026/02
|
20
|
18
|
31
|
46
|
35
|
14
|
14
|
18
|
29
|
43
|
20
|
46
|
39
|
41
|
19
|
23
|
68
|
21
|
35
|
63
|
225
|
33
|
25
|
43
|
73
|
40
|
35
|
34
|
|||
|
2026/01
|
30
|
37
|
51
|
41
|
24
|
27
|
23
|
40
|
60
|
19
|
17
|
41
|
22
|
51
|
58
|
32
|
20
|
29
|
23
|
17
|
19
|
24
|
31
|
25
|
22
|
34
|
22
|
40
|
38
|
46
|
31
|
|
2025/12
|
19
|
19
|
18
|
18
|
25
|
50
|
39
|
20
|
44
|
59
|
34
|
37
|
29
|
27
|
45
|
60
|
37
|
45
|
78
|
20
|
24
|
52
|
48
|
27
|
21
|
45
|
61
|
48
|
37
|
24
|
21
|
|
2025/11
|
21
|
17
|
34
|
44
|
62
|
63
|
52
|
44
|
13
|
17
|
29
|
53
|
17
|
28
|
51
|
28
|
15
|
21
|
21
|
20
|
21
|
30
|
62
|
47
|
23
|
39
|
22
|
43
|
48
|
30
|
|
|
2025/10
|
21
|
32
|
30
|
22
|
17
|
16
|
29
|
20
|
13
|
15
|
25
|
24
|
33
|
41
|
31
|
23
|
17
|
13
|
12
|
14
|
24
|
24
|
38
|
52
|
37
|
14
|
17
|
44
|
90
|
57
|
35
|
|
2025/09
|
17
|
19
|
33
|
32
|
31
|
14
|
12
|
14
|
23
|
16
|
30
|
36
|
38
|
14
|
10
|
12
|
15
|
13
|
15
|
19
|
20
|
26
|
16
|
15
|
17
|
21
|
21
|
23
|
20
|
17
|
|
|
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