Air Quality
Excellent
No health implications.
27
PM2.5
45
PM10
52
O3
0.5
CO
9
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Dec
62
Good
Tue
16 Dec
77
Good
Wed
17 Dec
76
Good
Thu
18 Dec
87
Good
Fri
19 Dec
89
Good
Sat
20 Dec
113
Light
Sun
21 Dec
16
Excellent
Air quality in the last 12 months (Yizhang)
|
2025/11
|
43
|
43
|
21
|
13
|
25
|
29
|
41
|
24
|
10
|
13
|
20
|
43
|
37
|
48
|
50
|
53
|
65
|
21
|
32
|
40
|
47
|
52
|
61
|
61
|
48
|
59
|
63
|
67
|
60
|
57
|
|
|
2025/10
|
52
|
29
|
28
|
42
|
30
|
15
|
24
|
38
|
34
|
38
|
41
|
35
|
62
|
42
|
58
|
54
|
52
|
36
|
13
|
10
|
11
|
20
|
36
|
43
|
49
|
70
|
69
|
74
|
76
|
86
|
49
|
|
2025/09
|
25
|
32
|
32
|
33
|
38
|
37
|
59
|
35
|
12
|
15
|
17
|
20
|
27
|
31
|
34
|
21
|
24
|
42
|
42
|
17
|
17
|
18
|
18
|
10
|
18
|
21
|
27
|
42
|
39
|
46
|
|
|
2025/08
|
29
|
20
|
16
|
20
|
15
|
11
|
15
|
18
|
30
|
38
|
35
|
33
|
33
|
29
|
9
|
19
|
24
|
16
|
13
|
16
|
18
|
23
|
30
|
25
|
24
|
22
|
26
|
27
|
27
|
23
|
24
|
|
2025/07
|
11
|
18
|
22
|
36
|
40
|
38
|
35
|
36
|
38
|
25
|
20
|
25
|
28
|
28
|
27
|
33
|
35
|
36
|
34
|
19
|
15
|
19
|
16
|
26
|
31
|
34
|
32
|
24
|
26
|
26
|
26
|
|
2025/06
|
21
|
20
|
34
|
45
|
42
|
38
|
28
|
28
|
41
|
37
|
35
|
28
|
34
|
15
|
14
|
21
|
10
|
8
|
14
|
15
|
16
|
23
|
25
|
37
|
31
|
21
|
18
|
13
|
16
|
19
|
|
|
2025/05
|
59
|
55
|
44
|
38
|
22
|
37
|
56
|
31
|
25
|
52
|
44
|
44
|
45
|
46
|
42
|
40
|
22
|
17
|
16
|
17
|
22
|
22
|
28
|
46
|
61
|
55
|
47
|
37
|
18
|
26
|
16
|
|
2025/04
|
50
|
53
|
56
|
71
|
83
|
80
|
68
|
67
|
77
|
38
|
52
|
145
|
199
|
129
|
87
|
78
|
86
|
67
|
30
|
25
|
34
|
30
|
51
|
36
|
25
|
30
|
26
|
29
|
53
|
58
|
|
|
2025/03
|
35
|
34
|
35
|
17
|
17
|
23
|
55
|
57
|
56
|
68
|
58
|
57
|
47
|
34
|
17
|
37
|
49
|
38
|
46
|
49
|
51
|
58
|
68
|
82
|
82
|
67
|
54
|
60
|
27
|
18
|
33
|
|
2025/02
|
32
|
18
|
27
|
47
|
59
|
64
|
43
|
66
|
43
|
57
|
59
|
68
|
89
|
95
|
102
|
46
|
43
|
40
|
45
|
28
|
40
|
29
|
16
|
57
|
85
|
103
|
68
|
49
|
|||
|
2025/01
|
101
|
88
|
122
|
135
|
169
|
125
|
105
|
106
|
78
|
53
|
55
|
61
|
60
|
53
|
94
|
65
|
66
|
62
|
68
|
73
|
71
|
80
|
84
|
186
|
94
|
23
|
45
|
68
|
163
|
91
|
79
|
|
2024/12
|
60
|
62
|
65
|
126
|
99
|
41
|
32
|
55
|
108
|
98
|
41
|
63
|
86
|
85
|
52
|
53
|
59
|
62
|
82
|
91
|
101
|
101
|
93
|
96
|
106
|
129
|
129
|
131
|
84
|
95
|
96
|
|
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