Air Quality
Excellent
No health implications.
28
PM2.5
45
PM10
94
O3
0.5
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Apr
45
Excellent
Wed
17 Apr
46
Excellent
Thu
18 Apr
41
Excellent
Fri
19 Apr
40
Excellent
Sat
20 Apr
41
Excellent
Sun
21 Apr
43
Excellent
Mon
22 Apr
36
Excellent
Air quality in the last 12 months (Yizhang)
|
2024/02
|
56
|
26
|
21
|
13
|
41
|
19
|
21
|
60
|
93
|
128
|
70
|
63
|
39
|
41
|
51
|
37
|
44
|
27
|
33
|
39
|
31
|
13
|
15
|
18
|
35
|
18
|
36
|
21
|
26
|
||
|
2024/01
|
127
|
80
|
48
|
57
|
73
|
75
|
72
|
44
|
50
|
70
|
96
|
67
|
75
|
68
|
167
|
153
|
151
|
92
|
36
|
14
|
44
|
25
|
57
|
57
|
66
|
73
|
69
|
83
|
62
|
55
|
51
|
|
2023/12
|
61
|
64
|
50
|
25
|
51
|
47
|
53
|
48
|
60
|
49
|
37
|
23
|
45
|
32
|
30
|
28
|
37
|
28
|
32
|
59
|
49
|
78
|
59
|
61
|
65
|
66
|
63
|
78
|
101
|
144
|
145
|
|
2023/11
|
48
|
49
|
60
|
61
|
51
|
23
|
33
|
45
|
46
|
17
|
11
|
12
|
20
|
48
|
53
|
34
|
57
|
59
|
56
|
54
|
59
|
58
|
67
|
72
|
79
|
82
|
78
|
68
|
71
|
90
|
|
|
2023/10
|
61
|
65
|
69
|
44
|
28
|
48
|
36
|
28
|
27
|
17
|
38
|
49
|
72
|
66
|
56
|
57
|
56
|
49
|
52
|
20
|
31
|
43
|
45
|
48
|
48
|
66
|
29
|
46
|
54
|
51
|
55
|
|
2023/09
|
38
|
38
|
51
|
41
|
60
|
27
|
28
|
32
|
28
|
21
|
20
|
22
|
26
|
21
|
21
|
35
|
30
|
31
|
30
|
35
|
47
|
32
|
46
|
52
|
59
|
60
|
61
|
67
|
60
|
62
|
|
|
2023/08
|
23
|
30
|
41
|
46
|
33
|
21
|
34
|
32
|
32
|
38
|
26
|
33
|
34
|
41
|
31
|
31
|
35
|
42
|
55
|
44
|
27
|
23
|
25
|
31
|
26
|
25
|
26
|
19
|
27
|
37
|
39
|
|
2023/07
|
30
|
29
|
22
|
20
|
19
|
22
|
21
|
22
|
24
|
25
|
31
|
28
|
29
|
37
|
48
|
47
|
34
|
26
|
19
|
19
|
22
|
28
|
31
|
34
|
36
|
36
|
29
|
27
|
32
|
28
|
22
|
|
2023/06
|
46
|
45
|
45
|
47
|
38
|
41
|
35
|
21
|
24
|
24
|
40
|
49
|
45
|
33
|
44
|
39
|
21
|
17
|
19
|
20
|
23
|
26
|
17
|
18
|
17
|
17
|
27
|
24
|
24
|
30
|
|
|
2023/05
|
63
|
47
|
32
|
29
|
35
|
27
|
16
|
39
|
56
|
56
|
21
|
37
|
53
|
53
|
51
|
49
|
30
|
40
|
49
|
42
|
37
|
26
|
33
|
38
|
50
|
31
|
27
|
39
|
41
|
49
|
58
|
|
2023/04
|
38
|
22
|
23
|
26
|
29
|
21
|
34
|
65
|
64
|
57
|
38
|
41
|
50
|
43
|
59
|
54
|
54
|
45
|
27
|
34
|
45
|
30
|
18
|
13
|
16
|
30
|
38
|
43
|
48
|
71
|
|
|
2023/03
|
74
|
84
|
83
|
62
|
61
|
59
|
63
|
70
|
69
|
55
|
63
|
82
|
85
|
70
|
63
|
72
|
49
|
39
|
42
|
56
|
42
|
53
|
31
|
14
|
16
|
46
|
33
|
42
|
26
|
38
|
47
|
|
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