Air Quality
Excellent
No health implications.
9
PM2.5
23
PM10
62
O3
0.3
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jan
47
Excellent
Thu
9 Jan
47
Excellent
Fri
10 Jan
53
Good
Sat
11 Jan
58
Good
Sun
12 Jan
51
Good
Mon
13 Jan
28
Excellent
Tue
14 Jan
18
Excellent
Air quality in the last 12 months (Weichang)
|
2024/12
|
35
|
20
|
25
|
22
|
22
|
24
|
17
|
25
|
28
|
37
|
36
|
47
|
18
|
23
|
25
|
26
|
19
|
21
|
35
|
38
|
19
|
21
|
34
|
51
|
54
|
20
|
22
|
29
|
55
|
52
|
30
|
|
2024/11
|
70
|
60
|
34
|
20
|
25
|
29
|
57
|
101
|
96
|
59
|
43
|
47
|
53
|
53
|
46
|
32
|
23
|
31
|
48
|
43
|
20
|
25
|
43
|
72
|
47
|
21
|
27
|
18
|
19
|
22
|
|
|
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
|
|
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