Air Quality
Excellent
No health implications.
27
PM2.5
47
PM10
120
O3
0.6
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
106
Light
Fri
27 Jun
80
Good
Sat
28 Jun
82
Good
Sun
29 Jun
80
Good
Mon
30 Jun
92
Good
Tue
1 Jul
99
Good
Wed
2 Jul
34
Excellent
Air quality in the last 12 months (Weichang)
|
2025/05
|
18
|
23
|
22
|
22
|
34
|
23
|
37
|
66
|
25
|
43
|
35
|
34
|
50
|
30
|
32
|
47
|
33
|
14
|
20
|
42
|
53
|
79
|
34
|
31
|
43
|
40
|
22
|
29
|
51
|
53
|
41
|
|
2025/04
|
23
|
17
|
31
|
48
|
16
|
30
|
49
|
28
|
36
|
34
|
60
|
71
|
40
|
28
|
39
|
56
|
47
|
18
|
16
|
37
|
44
|
34
|
53
|
25
|
25
|
48
|
23
|
23
|
48
|
30
|
|
|
2025/03
|
62
|
38
|
42
|
49
|
39
|
22
|
43
|
75
|
80
|
94
|
146
|
41
|
39
|
51
|
37
|
26
|
30
|
20
|
20
|
22
|
31
|
32
|
97
|
42
|
32
|
104
|
30
|
31
|
31
|
27
|
28
|
|
2025/02
|
78
|
65
|
18
|
17
|
23
|
33
|
19
|
13
|
18
|
34
|
64
|
31
|
43
|
37
|
70
|
23
|
21
|
24
|
18
|
20
|
16
|
23
|
15
|
22
|
29
|
31
|
58
|
61
|
|||
|
2025/01
|
39
|
21
|
25
|
34
|
33
|
18
|
19
|
18
|
15
|
21
|
32
|
26
|
25
|
24
|
25
|
43
|
41
|
38
|
31
|
42
|
30
|
35
|
72
|
86
|
107
|
73
|
15
|
22
|
101
|
28
|
60
|
|
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
|
|
|
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