Air Quality
Excellent
No health implications.
24
PM2.5
44
PM10
35
O3
0.9
CO
12
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Sep
77
Good
Mon
28 Sep
66
Good
Tue
29 Sep
75
Good
Wed
30 Sep
75
Good
Thu
1 Oct
73
Good
Fri
2 Oct
15
Excellent
Sat
3 Oct
44
Excellent
Air quality in the last 12 months (Changzi)
|
2026/08
|
26
|
25
|
20
|
20
|
30
|
39
|
42
|
38
|
39
|
41
|
35
|
19
|
24
|
34
|
43
|
43
|
42
|
40
|
38
|
41
|
38
|
41
|
46
|
50
|
35
|
31
|
26
|
26
|
37
|
48
|
40
|
|
2026/07
|
38
|
41
|
46
|
40
|
44
|
35
|
38
|
42
|
44
|
35
|
31
|
28
|
38
|
53
|
26
|
33
|
30
|
31
|
42
|
44
|
48
|
35
|
36
|
33
|
36
|
36
|
31
|
23
|
18
|
21
|
25
|
|
2026/06
|
59
|
64
|
59
|
50
|
60
|
45
|
34
|
40
|
42
|
44
|
66
|
52
|
44
|
57
|
65
|
61
|
57
|
48
|
31
|
34
|
34
|
34
|
40
|
40
|
51
|
50
|
50
|
36
|
38
|
38
|
|
|
2026/05
|
46
|
35
|
39
|
52
|
49
|
48
|
46
|
48
|
51
|
56
|
66
|
65
|
64
|
57
|
55
|
32
|
24
|
31
|
42
|
49
|
48
|
40
|
51
|
57
|
32
|
32
|
51
|
47
|
46
|
57
|
52
|
|
2026/04
|
47
|
60
|
103
|
65
|
76
|
61
|
60
|
54
|
50
|
57
|
56
|
59
|
50
|
46
|
52
|
56
|
64
|
65
|
90
|
91
|
61
|
42
|
53
|
53
|
55
|
58
|
92
|
82
|
47
|
52
|
|
|
2026/03
|
39
|
75
|
108
|
65
|
52
|
58
|
53
|
67
|
98
|
96
|
89
|
63
|
124
|
63
|
56
|
76
|
68
|
58
|
66
|
69
|
77
|
74
|
75
|
87
|
75
|
77
|
82
|
75
|
48
|
70
|
65
|
|
2026/02
|
92
|
54
|
80
|
77
|
76
|
76
|
49
|
40
|
61
|
84
|
69
|
75
|
76
|
71
|
58
|
67
|
121
|
53
|
48
|
58
|
98
|
235
|
100
|
73
|
60
|
53
|
35
|
48
|
|||
|
2026/01
|
89
|
130
|
108
|
105
|
111
|
31
|
49
|
58
|
64
|
82
|
52
|
70
|
71
|
64
|
71
|
77
|
78
|
94
|
91
|
75
|
65
|
84
|
69
|
87
|
197
|
142
|
113
|
107
|
215
|
158
|
113
|
|
2025/12
|
100
|
72
|
35
|
54
|
63
|
63
|
62
|
72
|
85
|
94
|
85
|
57
|
56
|
71
|
85
|
90
|
78
|
74
|
91
|
48
|
61
|
80
|
96
|
82
|
38
|
54
|
62
|
64
|
57
|
87
|
61
|
|
2025/11
|
44
|
56
|
69
|
87
|
83
|
107
|
61
|
50
|
69
|
63
|
64
|
67
|
62
|
62
|
60
|
56
|
32
|
31
|
40
|
56
|
51
|
58
|
74
|
89
|
68
|
144
|
161
|
82
|
70
|
65
|
|
|
2025/10
|
50
|
27
|
43
|
52
|
36
|
15
|
30
|
27
|
18
|
22
|
25
|
19
|
32
|
52
|
63
|
53
|
26
|
28
|
48
|
47
|
59
|
49
|
67
|
96
|
39
|
59
|
45
|
67
|
55
|
91
|
61
|
|
2025/09
|
44
|
42
|
30
|
33
|
30
|
53
|
68
|
64
|
46
|
45
|
27
|
38
|
47
|
48
|
44
|
35
|
23
|
24
|
27
|
37
|
35
|
26
|
34
|
36
|
48
|
47
|
37
|
40
|
52
|
56
|
|
|
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