Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
22
O3
0.3
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
42
Excellent
Wed
9 Sep
43
Excellent
Thu
10 Sep
47
Excellent
Fri
11 Sep
46
Excellent
Sat
12 Sep
60
Good
Sun
13 Sep
21
Excellent
Mon
14 Sep
31
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