Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
51
*
PM10
25
O3
0.5
CO
11
SO2
29
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 May
98
Good
Sat
3 May
89
Good
Sun
4 May
88
Good
Mon
5 May
71
Good
Tue
6 May
68
Good
Wed
7 May
80
Good
Thu
8 May
17
Excellent
Air quality in the last 12 months (Changning)
|
2025/02
|
39
|
36
|
32
|
43
|
32
|
25
|
23
|
31
|
45
|
55
|
73
|
60
|
45
|
53
|
60
|
69
|
77
|
71
|
96
|
49
|
58
|
39
|
48
|
27
|
36
|
38
|
75
|
89
|
|||
|
2025/01
|
115
|
151
|
146
|
175
|
143
|
128
|
107
|
54
|
54
|
54
|
41
|
57
|
79
|
90
|
84
|
91
|
101
|
62
|
58
|
89
|
145
|
136
|
131
|
86
|
34
|
46
|
63
|
76
|
155
|
115
|
80
|
|
2024/12
|
102
|
144
|
105
|
123
|
61
|
50
|
40
|
31
|
47
|
55
|
58
|
59
|
45
|
52
|
53
|
71
|
110
|
124
|
96
|
95
|
115
|
90
|
59
|
86
|
72
|
64
|
96
|
98
|
88
|
60
|
64
|
|
2024/11
|
34
|
28
|
66
|
51
|
36
|
55
|
55
|
54
|
70
|
72
|
50
|
51
|
38
|
48
|
71
|
51
|
18
|
24
|
25
|
28
|
43
|
59
|
70
|
43
|
18
|
25
|
38
|
45
|
52
|
63
|
|
|
2024/10
|
15
|
26
|
25
|
36
|
46
|
44
|
42
|
48
|
50
|
53
|
34
|
21
|
21
|
32
|
45
|
78
|
26
|
40
|
34
|
27
|
34
|
18
|
30
|
69
|
55
|
34
|
25
|
37
|
75
|
81
|
63
|
|
2024/09
|
34
|
34
|
34
|
28
|
26
|
31
|
37
|
23
|
26
|
38
|
28
|
33
|
51
|
52
|
49
|
48
|
28
|
32
|
40
|
55
|
26
|
44
|
57
|
72
|
85
|
70
|
71
|
83
|
100
|
7
|
|
|
2024/08
|
40
|
34
|
40
|
17
|
30
|
30
|
30
|
35
|
40
|
25
|
64
|
69
|
61
|
56
|
55
|
31
|
43
|
48
|
48
|
50
|
58
|
59
|
57
|
45
|
36
|
40
|
48
|
46
|
56
|
59
|
57
|
|
2024/07
|
25
|
25
|
31
|
25
|
29
|
35
|
47
|
38
|
13
|
13
|
16
|
25
|
38
|
11
|
26
|
36
|
39
|
18
|
29
|
28
|
32
|
25
|
37
|
38
|
26
|
49
|
47
|
26
|
24
|
27
|
42
|
|
2024/06
|
54
|
33
|
34
|
24
|
29
|
41
|
18
|
21
|
31
|
27
|
25
|
25
|
40
|
43
|
42
|
58
|
31
|
43
|
30
|
26
|
21
|
20
|
27
|
30
|
33
|
37
|
14
|
29
|
21
|
35
|
|
|
2024/05
|
33
|
37
|
27
|
14
|
27
|
58
|
66
|
60
|
30
|
47
|
37
|
37
|
36
|
50
|
52
|
43
|
52
|
35
|
36
|
31
|
28
|
35
|
38
|
47
|
51
|
18
|
30
|
30
|
19
|
23
|
38
|
|
2024/04
|
55
|
55
|
46
|
40
|
39
|
24
|
20
|
18
|
36
|
34
|
34
|
49
|
56
|
67
|
68
|
36
|
27
|
44
|
27
|
49
|
57
|
61
|
38
|
32
|
39
|
52
|
36
|
53
|
32
|
11
|
|
|
2024/03
|
84
|
69
|
82
|
90
|
78
|
64
|
61
|
60
|
70
|
103
|
56
|
78
|
92
|
71
|
79
|
73
|
104
|
40
|
52
|
59
|
70
|
82
|
81
|
81
|
21
|
47
|
54
|
36
|
56
|
64
|
58
|
|
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