Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
24
O3
0.3
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Nov
51
Good
Wed
19 Nov
51
Good
Thu
20 Nov
51
Good
Fri
21 Nov
61
Good
Sat
22 Nov
55
Good
Sun
23 Nov
55
Good
Mon
24 Nov
31
Excellent
Yizhang Air quality rank
Air quality in the last 12 months (Yizhang)
|
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
|
|
2024/11
|
60
|
84
|
76
|
77
|
75
|
75
|
50
|
58
|
61
|
85
|
71
|
65
|
69
|
86
|
50
|
60
|
37
|
11
|
13
|
31
|
42
|
52
|
49
|
53
|
62
|
30
|
38
|
48
|
51
|
65
|
|
|
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