Air Quality
Excellent
No health implications.
22
PM2.5
50
PM10
12
O3
0.7
CO
7
SO2
34
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jan
73
Good
Mon
13 Jan
63
Good
Tue
14 Jan
75
Good
Wed
15 Jan
69
Good
Thu
16 Jan
73
Good
Fri
17 Jan
74
Good
Sat
18 Jan
31
Excellent
Air quality in the last 12 months (Zichang)
|
2024/12
|
54
|
47
|
56
|
46
|
46
|
42
|
37
|
46
|
57
|
57
|
45
|
58
|
59
|
48
|
52
|
54
|
56
|
49
|
64
|
53
|
41
|
56
|
60
|
83
|
71
|
46
|
43
|
49
|
58
|
70
|
70
|
|
2024/11
|
45
|
33
|
37
|
43
|
47
|
50
|
69
|
71
|
89
|
77
|
79
|
63
|
48
|
44
|
70
|
59
|
47
|
52
|
45
|
54
|
54
|
65
|
97
|
73
|
60
|
69
|
75
|
43
|
43
|
51
|
|
|
2024/10
|
67
|
41
|
35
|
47
|
52
|
51
|
36
|
42
|
50
|
41
|
49
|
55
|
52
|
53
|
56
|
78
|
58
|
28
|
28
|
23
|
23
|
28
|
39
|
49
|
55
|
45
|
54
|
49
|
52
|
47
|
42
|
|
2024/09
|
33
|
39
|
35
|
42
|
31
|
41
|
23
|
40
|
63
|
34
|
35
|
38
|
35
|
26
|
43
|
34
|
37
|
38
|
40
|
23
|
23
|
39
|
49
|
49
|
49
|
54
|
79
|
63
|
28
|
36
|
|
|
2024/08
|
30
|
38
|
29
|
27
|
31
|
25
|
16
|
29
|
48
|
86
|
29
|
31
|
38
|
38
|
34
|
31
|
36
|
23
|
31
|
29
|
33
|
41
|
45
|
46
|
44
|
18
|
29
|
33
|
37
|
39
|
44
|
|
2024/07
|
36
|
36
|
35
|
24
|
36
|
40
|
42
|
46
|
35
|
36
|
44
|
43
|
47
|
58
|
40
|
22
|
31
|
30
|
31
|
22
|
79
|
66
|
43
|
36
|
46
|
43
|
46
|
49
|
43
|
26
|
32
|
|
2024/06
|
51
|
34
|
33
|
35
|
29
|
44
|
30
|
35
|
36
|
38
|
48
|
48
|
59
|
54
|
49
|
47
|
34
|
38
|
39
|
47
|
42
|
68
|
76
|
82
|
78
|
80
|
58
|
61
|
48
|
33
|
|
|
2024/05
|
38
|
42
|
52
|
30
|
37
|
47
|
45
|
52
|
56
|
83
|
126
|
52
|
47
|
61
|
71
|
61
|
90
|
78
|
60
|
60
|
58
|
58
|
47
|
57
|
45
|
47
|
40
|
45
|
45
|
57
|
48
|
|
2024/04
|
75
|
54
|
44
|
63
|
69
|
60
|
61
|
60
|
56
|
47
|
45
|
52
|
53
|
72
|
88
|
53
|
65
|
68
|
66
|
61
|
60
|
144
|
110
|
78
|
66
|
69
|
62
|
59
|
48
|
35
|
|
|
2024/03
|
51
|
59
|
58
|
74
|
66
|
53
|
89
|
50
|
67
|
70
|
69
|
48
|
64
|
61
|
74
|
136
|
72
|
196
|
78
|
65
|
79
|
140
|
117
|
36
|
55
|
49
|
86
|
110
|
85
|
53
|
65
|
|
2024/02
|
125
|
115
|
115
|
106
|
100
|
78
|
71
|
80
|
101
|
124
|
63
|
61
|
62
|
183
|
64
|
56
|
56
|
402
|
238
|
55
|
50
|
63
|
61
|
72
|
95
|
105
|
92
|
88
|
56
|
||
|
2024/01
|
60
|
59
|
60
|
54
|
53
|
44
|
48
|
68
|
62
|
61
|
67
|
65
|
73
|
66
|
56
|
92
|
93
|
78
|
95
|
58
|
22
|
30
|
40
|
36
|
52
|
67
|
59
|
64
|
64
|
81
|
91
|
|
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