Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
57
O3
0.6
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
49
Excellent
Mon
5 May
54
Good
Tue
6 May
60
Good
Wed
7 May
59
Good
Thu
8 May
54
Good
Fri
9 May
52
Good
Sat
10 May
16
Excellent
Air quality in the last 12 months (Yizhang)
|
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
|
|
2024/06
|
19
|
17
|
40
|
24
|
14
|
30
|
35
|
42
|
50
|
29
|
20
|
22
|
22
|
19
|
15
|
15
|
17
|
14
|
19
|
24
|
20
|
25
|
23
|
18
|
25
|
33
|
29
|
20
|
19
|
20
|
|
|
2024/05
|
14
|
28
|
37
|
27
|
16
|
33
|
38
|
52
|
66
|
59
|
35
|
40
|
61
|
52
|
46
|
54
|
57
|
44
|
18
|
24
|
34
|
35
|
28
|
24
|
21
|
23
|
17
|
37
|
24
|
35
|
27
|
|
2024/04
|
51
|
53
|
41
|
25
|
13
|
16
|
17
|
30
|
42
|
44
|
56
|
60
|
55
|
51
|
57
|
51
|
28
|
37
|
20
|
15
|
20
|
36
|
43
|
45
|
33
|
24
|
31
|
32
|
25
|
20
|
|
|
2024/03
|
83
|
62
|
51
|
18
|
35
|
103
|
98
|
62
|
52
|
49
|
29
|
42
|
52
|
41
|
39
|
43
|
61
|
33
|
30
|
59
|
68
|
42
|
32
|
34
|
32
|
30
|
46
|
30
|
33
|
42
|
42
|
|
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