Air Quality
Excellent
No health implications.
21
PM2.5
33
PM10
26
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
48
Excellent
Sat
19 Jul
50
Excellent
Sun
20 Jul
52
Good
Mon
21 Jul
49
Excellent
Tue
22 Jul
50
Excellent
Wed
23 Jul
41
Excellent
Thu
24 Jul
47
Excellent
Yizhang Air quality rank
Air quality in the last 12 months (Yizhang)
|
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
|
|
|
2024/10
|
35
|
39
|
50
|
53
|
51
|
63
|
88
|
69
|
59
|
50
|
56
|
58
|
66
|
116
|
56
|
30
|
42
|
46
|
30
|
27
|
34
|
28
|
28
|
39
|
49
|
68
|
31
|
34
|
59
|
57
|
55
|
|
2024/09
|
31
|
30
|
32
|
34
|
41
|
30
|
19
|
22
|
20
|
32
|
36
|
57
|
43
|
42
|
30
|
33
|
53
|
50
|
51
|
39
|
32
|
28
|
43
|
43
|
41
|
44
|
44
|
43
|
46
|
43
|
|
|
2024/08
|
17
|
22
|
28
|
37
|
39
|
27
|
31
|
32
|
30
|
31
|
34
|
24
|
17
|
20
|
23
|
29
|
26
|
26
|
26
|
34
|
25
|
22
|
22
|
32
|
29
|
29
|
36
|
34
|
38
|
50
|
43
|
|
2024/07
|
21
|
24
|
20
|
21
|
22
|
23
|
22
|
18
|
23
|
21
|
21
|
21
|
20
|
24
|
25
|
16
|
16
|
18
|
18
|
20
|
19
|
20
|
19
|
29
|
46
|
39
|
19
|
11
|
11
|
15
|
14
|
|
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