Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
43
O3
0.2
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Nov
44
Excellent
Sat
30 Nov
53
Good
Sun
1 Dec
48
Excellent
Mon
2 Dec
47
Excellent
Tue
3 Dec
45
Excellent
Wed
4 Dec
35
Excellent
Thu
5 Dec
15
Excellent
Air quality in the last 12 months (Weichang)
|
2024/10
|
16
|
14
|
17
|
33
|
56
|
34
|
18
|
28
|
40
|
22
|
29
|
55
|
87
|
60
|
24
|
42
|
51
|
32
|
18
|
27
|
39
|
19
|
32
|
32
|
53
|
70
|
25
|
28
|
34
|
23
|
62
|
|
2024/09
|
17
|
17
|
21
|
27
|
19
|
21
|
18
|
23
|
23
|
16
|
24
|
26
|
21
|
15
|
18
|
19
|
20
|
20
|
35
|
15
|
16
|
16
|
19
|
31
|
28
|
21
|
36
|
45
|
46
|
11
|
|
|
2024/08
|
16
|
23
|
22
|
18
|
21
|
26
|
33
|
31
|
36
|
37
|
22
|
14
|
17
|
22
|
20
|
22
|
30
|
20
|
20
|
10
|
13
|
20
|
19
|
23
|
21
|
20
|
26
|
33
|
28
|
27
|
26
|
|
2024/07
|
24
|
27
|
21
|
24
|
27
|
32
|
23
|
44
|
59
|
46
|
47
|
34
|
34
|
40
|
40
|
30
|
13
|
15
|
22
|
22
|
30
|
20
|
30
|
37
|
15
|
16
|
21
|
21
|
21
|
18
|
13
|
|
2024/06
|
19
|
18
|
26
|
37
|
41
|
42
|
30
|
22
|
22
|
38
|
22
|
29
|
29
|
17
|
15
|
25
|
31
|
43
|
61
|
48
|
87
|
221
|
94
|
13
|
19
|
29
|
49
|
46
|
46
|
26
|
|
|
2024/05
|
33
|
38
|
44
|
56
|
64
|
44
|
37
|
48
|
62
|
136
|
96
|
20
|
34
|
31
|
20
|
30
|
51
|
51
|
42
|
19
|
36
|
48
|
52
|
26
|
23
|
23
|
24
|
24
|
67
|
31
|
13
|
|
2024/04
|
45
|
54
|
27
|
39
|
51
|
39
|
37
|
34
|
55
|
44
|
44
|
87
|
64
|
104
|
139
|
29
|
45
|
48
|
30
|
17
|
53
|
52
|
17
|
46
|
73
|
61
|
41
|
14
|
12
|
16
|
|
|
2024/03
|
20
|
33
|
15
|
39
|
50
|
23
|
25
|
19
|
36
|
54
|
40
|
18
|
29
|
34
|
61
|
149
|
19
|
64
|
32
|
16
|
50
|
45
|
41
|
45
|
48
|
64
|
207
|
201
|
62
|
36
|
32
|
|
2024/02
|
33
|
50
|
50
|
37
|
43
|
37
|
24
|
26
|
26
|
44
|
27
|
40
|
63
|
40
|
24
|
57
|
67
|
61
|
23
|
21
|
23
|
26
|
29
|
53
|
40
|
46
|
66
|
46
|
28
|
||
|
2024/01
|
51
|
47
|
24
|
36
|
28
|
21
|
28
|
43
|
45
|
34
|
36
|
39
|
56
|
23
|
36
|
55
|
69
|
53
|
30
|
25
|
22
|
21
|
21
|
21
|
23
|
28
|
29
|
32
|
38
|
74
|
35
|
|
2023/12
|
23
|
30
|
28
|
68
|
74
|
44
|
91
|
96
|
33
|
37
|
28
|
45
|
56
|
43
|
35
|
23
|
23
|
41
|
39
|
23
|
22
|
23
|
23
|
25
|
34
|
38
|
51
|
41
|
38
|
61
|
35
|
|
2023/11
|
69
|
126
|
28
|
59
|
57
|
42
|
32
|
36
|
21
|
20
|
19
|
21
|
26
|
36
|
49
|
28
|
19
|
32
|
37
|
37
|
77
|
56
|
21
|
23
|
39
|
53
|
34
|
26
|
25
|
22
|
|
|
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