Air Quality
Excellent
No health implications.
13
PM2.5
20
PM10
48
O3
0.7
CO
8
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
49
Excellent
Fri
20 Dec
89
Good
Sat
21 Dec
96
Good
Sun
22 Dec
58
Good
Mon
23 Dec
68
Good
Tue
24 Dec
72
Good
Wed
25 Dec
76
Good
Changning Air quality rank
Air quality in the last 12 months (Changning)
|
2024/11
|
9
|
52
|
81
|
63
|
24
|
22
|
23
|
28
|
31
|
31
|
42
|
45
|
54
|
36
|
62
|
48
|
21
|
27
|
25
|
31
|
59
|
81
|
17
|
21
|
32
|
37
|
57
|
68
|
53
|
63
|
|
|
2024/10
|
19
|
25
|
20
|
19
|
18
|
13
|
15
|
45
|
35
|
70
|
78
|
63
|
20
|
39
|
54
|
32
|
31
|
41
|
28
|
37
|
42
|
51
|
44
|
22
|
36
|
15
|
17
|
60
|
23
|
30
|
24
|
|
2024/09
|
36
|
38
|
28
|
25
|
23
|
40
|
47
|
29
|
22
|
31
|
13
|
25
|
18
|
18
|
23
|
15
|
20
|
24
|
26
|
17
|
22
|
32
|
29
|
29
|
33
|
20
|
24
|
34
|
33
|
35
|
|
|
2024/08
|
33
|
46
|
50
|
35
|
41
|
33
|
27
|
39
|
34
|
40
|
45
|
46
|
38
|
20
|
25
|
35
|
21
|
17
|
18
|
26
|
21
|
39
|
31
|
31
|
27
|
24
|
44
|
36
|
17
|
29
|
28
|
|
2024/07
|
36
|
26
|
26
|
39
|
45
|
39
|
44
|
42
|
41
|
39
|
25
|
30
|
47
|
73
|
48
|
23
|
34
|
36
|
38
|
35
|
35
|
26
|
22
|
26
|
27
|
34
|
28
|
24
|
20
|
21
|
29
|
|
2024/06
|
67
|
21
|
40
|
53
|
33
|
18
|
22
|
28
|
38
|
28
|
19
|
39
|
67
|
46
|
30
|
31
|
20
|
22
|
22
|
22
|
42
|
39
|
25
|
36
|
37
|
29
|
18
|
21
|
30
|
25
|
|
|
2024/05
|
37
|
29
|
34
|
40
|
38
|
62
|
69
|
42
|
23
|
29
|
56
|
63
|
68
|
42
|
46
|
33
|
42
|
35
|
32
|
26
|
28
|
39
|
24
|
23
|
25
|
31
|
30
|
21
|
24
|
41
|
63
|
|
2024/04
|
69
|
31
|
31
|
42
|
51
|
44
|
47
|
40
|
64
|
60
|
47
|
32
|
26
|
25
|
62
|
57
|
25
|
75
|
105
|
50
|
39
|
44
|
48
|
48
|
35
|
41
|
28
|
31
|
45
|
41
|
|
|
2024/03
|
38
|
58
|
65
|
38
|
36
|
52
|
48
|
78
|
79
|
45
|
60
|
98
|
47
|
57
|
42
|
37
|
70
|
60
|
75
|
98
|
62
|
67
|
71
|
81
|
57
|
39
|
38
|
51
|
60
|
60
|
75
|
|
2024/02
|
27
|
28
|
22
|
35
|
47
|
74
|
49
|
70
|
139
|
183
|
98
|
80
|
54
|
57
|
50
|
27
|
28
|
31
|
46
|
23
|
17
|
27
|
50
|
56
|
88
|
70
|
57
|
38
|
28
|
||
|
2024/01
|
89
|
60
|
111
|
139
|
110
|
163
|
77
|
27
|
98
|
126
|
125
|
129
|
151
|
109
|
32
|
25
|
41
|
76
|
50
|
47
|
56
|
37
|
36
|
51
|
64
|
90
|
104
|
120
|
109
|
38
|
35
|
|
2023/12
|
48
|
52
|
69
|
91
|
108
|
97
|
105
|
68
|
66
|
58
|
30
|
54
|
56
|
54
|
48
|
51
|
31
|
23
|
30
|
63
|
40
|
43
|
58
|
81
|
105
|
112
|
74
|
91
|
83
|
111
|
208
|
|
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