Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
27
O3
0.6
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Oct
44
Excellent
Mon
5 Oct
50
Excellent
Tue
6 Oct
60
Good
Wed
7 Oct
73
Good
Thu
8 Oct
87
Good
Fri
9 Oct
88
Good
Sat
10 Oct
15
Excellent
Air quality in the last 12 months (Changning)
|
2026/08
|
15
|
15
|
18
|
19
|
22
|
33
|
38
|
34
|
33
|
36
|
24
|
22
|
16
|
18
|
23
|
37
|
45
|
37
|
29
|
32
|
37
|
33
|
23
|
18
|
19
|
32
|
42
|
33
|
36
|
24
|
26
|
|
2026/07
|
21
|
23
|
21
|
17
|
15
|
15
|
14
|
14
|
18
|
21
|
27
|
34
|
39
|
27
|
17
|
19
|
19
|
21
|
19
|
18
|
18
|
23
|
21
|
32
|
36
|
32
|
14
|
18
|
17
|
15
|
13
|
|
2026/06
|
47
|
48
|
32
|
27
|
25
|
30
|
30
|
22
|
26
|
37
|
45
|
50
|
36
|
24
|
33
|
41
|
44
|
17
|
15
|
17
|
22
|
23
|
23
|
18
|
27
|
32
|
35
|
48
|
44
|
21
|
|
|
2026/05
|
38
|
32
|
29
|
41
|
50
|
46
|
33
|
37
|
34
|
49
|
48
|
57
|
30
|
35
|
45
|
32
|
18
|
20
|
23
|
20
|
25
|
16
|
19
|
22
|
27
|
28
|
41
|
39
|
44
|
44
|
49
|
|
2026/04
|
36
|
44
|
25
|
39
|
55
|
38
|
42
|
46
|
49
|
46
|
32
|
27
|
38
|
23
|
23
|
25
|
35
|
40
|
46
|
41
|
16
|
16
|
26
|
42
|
49
|
53
|
59
|
44
|
29
|
32
|
|
|
2026/03
|
12
|
20
|
38
|
63
|
48
|
52
|
65
|
36
|
24
|
53
|
40
|
49
|
57
|
60
|
109
|
54
|
42
|
25
|
33
|
25
|
35
|
43
|
37
|
22
|
65
|
49
|
34
|
36
|
38
|
22
|
28
|
|
2026/02
|
52
|
57
|
67
|
86
|
107
|
75
|
77
|
67
|
64
|
63
|
59
|
71
|
70
|
64
|
66
|
26
|
82
|
82
|
56
|
42
|
59
|
64
|
57
|
32
|
50
|
35
|
18
|
24
|
|||
|
2026/01
|
31
|
56
|
70
|
78
|
52
|
74
|
72
|
63
|
64
|
92
|
102
|
97
|
106
|
88
|
93
|
116
|
113
|
110
|
46
|
20
|
54
|
61
|
66
|
52
|
76
|
57
|
111
|
85
|
58
|
34
|
39
|
|
2025/12
|
75
|
112
|
93
|
77
|
80
|
86
|
97
|
107
|
113
|
115
|
97
|
113
|
23
|
45
|
58
|
65
|
78
|
126
|
86
|
66
|
102
|
105
|
66
|
41
|
56
|
61
|
69
|
77
|
92
|
114
|
158
|
|
2025/11
|
46
|
41
|
23
|
21
|
28
|
29
|
46
|
14
|
9
|
13
|
34
|
53
|
41
|
48
|
53
|
59
|
64
|
27
|
34
|
43
|
51
|
60
|
71
|
64
|
52
|
61
|
71
|
80
|
72
|
68
|
|
|
2025/10
|
58
|
44
|
31
|
49
|
48
|
22
|
34
|
49
|
39
|
38
|
44
|
68
|
88
|
47
|
58
|
55
|
50
|
23
|
9
|
8
|
10
|
24
|
36
|
41
|
51
|
63
|
66
|
67
|
81
|
93
|
57
|
|
2025/09
|
21
|
24
|
26
|
31
|
37
|
34
|
41
|
34
|
19
|
21
|
19
|
21
|
26
|
34
|
34
|
33
|
25
|
39
|
38
|
23
|
24
|
18
|
24
|
10
|
12
|
20
|
32
|
44
|
51
|
57
|
|
|
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