Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
124
O3
0.6
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
64
Good
Tue
1 Jul
80
Good
Wed
2 Jul
74
Good
Thu
3 Jul
63
Good
Fri
4 Jul
79
Good
Sat
5 Jul
75
Good
Sun
6 Jul
22
Excellent
Air quality in the last 12 months (Zichang)
|
2025/05
|
70
|
105
|
37
|
100
|
297
|
178
|
123
|
122
|
57
|
46
|
46
|
62
|
68
|
65
|
62
|
174
|
162
|
69
|
68
|
59
|
65
|
197
|
59
|
65
|
48
|
31
|
37
|
51
|
55
|
53
|
28
|
|
2025/04
|
58
|
54
|
94
|
113
|
59
|
82
|
97
|
108
|
97
|
58
|
224
|
132
|
124
|
43
|
51
|
148
|
120
|
80
|
72
|
75
|
228
|
147
|
71
|
45
|
62
|
58
|
45
|
37
|
74
|
143
|
|
|
2025/03
|
77
|
70
|
33
|
35
|
47
|
51
|
67
|
74
|
70
|
64
|
260
|
162
|
76
|
57
|
45
|
30
|
42
|
38
|
35
|
40
|
58
|
69
|
164
|
385
|
400
|
378
|
229
|
153
|
41
|
46
|
52
|
|
2025/02
|
56
|
41
|
32
|
54
|
33
|
124
|
42
|
30
|
47
|
62
|
70
|
60
|
56
|
62
|
67
|
66
|
65
|
64
|
58
|
51
|
60
|
39
|
40
|
47
|
59
|
66
|
61
|
60
|
|||
|
2025/01
|
59
|
53
|
58
|
70
|
92
|
43
|
41
|
40
|
47
|
50
|
65
|
60
|
94
|
40
|
40
|
48
|
55
|
61
|
60
|
61
|
61
|
71
|
106
|
145
|
80
|
69
|
31
|
59
|
118
|
64
|
55
|
|
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
|
|
|
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