Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
51
*
PM10
58
O3
0.4
CO
6
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
89
Good
Wed
17 Dec
91
Good
Thu
18 Dec
57
Good
Fri
19 Dec
57
Good
Sat
20 Dec
98
Good
Sun
21 Dec
19
Excellent
Mon
22 Dec
37
Excellent
Air quality in the last 12 months (Changning)
|
2025/11
|
124
|
115
|
14
|
23
|
31
|
38
|
30
|
40
|
27
|
40
|
21
|
35
|
29
|
66
|
45
|
33
|
35
|
36
|
53
|
61
|
78
|
123
|
116
|
105
|
85
|
56
|
146
|
143
|
97
|
79
|
|
|
2025/10
|
46
|
24
|
40
|
27
|
26
|
32
|
34
|
15
|
20
|
33
|
39
|
42
|
68
|
42
|
29
|
29
|
19
|
21
|
28
|
31
|
29
|
28
|
31
|
31
|
32
|
38
|
44
|
18
|
21
|
25
|
30
|
|
2025/09
|
31
|
28
|
25
|
29
|
28
|
29
|
49
|
22
|
25
|
25
|
34
|
39
|
41
|
39
|
36
|
26
|
31
|
25
|
25
|
24
|
22
|
22
|
25
|
21
|
22
|
25
|
29
|
38
|
23
|
30
|
|
|
2025/08
|
38
|
37
|
31
|
35
|
35
|
23
|
24
|
29
|
39
|
40
|
41
|
36
|
25
|
23
|
19
|
27
|
28
|
16
|
21
|
29
|
46
|
42
|
39
|
30
|
28
|
35
|
16
|
16
|
18
|
16
|
25
|
|
2025/07
|
19
|
25
|
29
|
32
|
30
|
23
|
14
|
17
|
20
|
40
|
22
|
18
|
22
|
44
|
43
|
49
|
43
|
27
|
17
|
24
|
22
|
23
|
22
|
23
|
25
|
17
|
17
|
24
|
22
|
11
|
21
|
|
2025/06
|
17
|
17
|
35
|
63
|
42
|
41
|
40
|
21
|
24
|
29
|
29
|
18
|
15
|
34
|
16
|
25
|
53
|
49
|
39
|
24
|
26
|
13
|
11
|
26
|
42
|
48
|
33
|
38
|
24
|
16
|
|
|
2025/05
|
55
|
48
|
49
|
23
|
37
|
79
|
61
|
48
|
21
|
48
|
37
|
48
|
42
|
36
|
44
|
49
|
58
|
62
|
43
|
44
|
35
|
35
|
13
|
46
|
43
|
38
|
33
|
32
|
36
|
54
|
51
|
|
2025/04
|
44
|
64
|
42
|
38
|
66
|
66
|
61
|
66
|
74
|
83
|
67
|
77
|
94
|
76
|
55
|
61
|
66
|
61
|
59
|
53
|
42
|
62
|
63
|
86
|
48
|
38
|
40
|
50
|
40
|
46
|
|
|
2025/03
|
43
|
55
|
27
|
22
|
20
|
37
|
46
|
63
|
37
|
44
|
56
|
33
|
37
|
40
|
22
|
45
|
48
|
41
|
39
|
56
|
60
|
63
|
67
|
60
|
79
|
76
|
68
|
46
|
58
|
30
|
38
|
|
2025/02
|
27
|
59
|
69
|
64
|
53
|
37
|
50
|
41
|
46
|
53
|
30
|
77
|
39
|
34
|
65
|
115
|
60
|
45
|
47
|
29
|
34
|
60
|
58
|
73
|
85
|
134
|
137
|
55
|
|||
|
2025/01
|
53
|
42
|
56
|
35
|
65
|
95
|
65
|
67
|
31
|
41
|
58
|
71
|
89
|
102
|
38
|
58
|
70
|
72
|
98
|
156
|
112
|
31
|
37
|
37
|
33
|
44
|
55
|
44
|
88
|
46
|
34
|
|
2024/12
|
59
|
79
|
77
|
31
|
51
|
135
|
131
|
30
|
32
|
40
|
55
|
48
|
63
|
74
|
64
|
66
|
75
|
65
|
39
|
51
|
85
|
49
|
37
|
46
|
60
|
125
|
44
|
54
|
70
|
65
|
75
|
|
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