Air Quality
Excellent
No health implications.
11
PM2.5
28
PM10
54
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jun
47
Excellent
Tue
24 Jun
47
Excellent
Wed
25 Jun
32
Excellent
Thu
26 Jun
48
Excellent
Fri
27 Jun
45
Excellent
Sat
28 Jun
47
Excellent
Sun
29 Jun
25
Excellent
Air quality in the last 12 months (Changning)
|
2025/05
|
49
|
57
|
55
|
50
|
34
|
48
|
65
|
43
|
30
|
53
|
51
|
53
|
51
|
45
|
60
|
28
|
27
|
22
|
23
|
19
|
21
|
23
|
26
|
53
|
54
|
47
|
44
|
17
|
20
|
29
|
16
|
|
2025/04
|
58
|
59
|
62
|
105
|
107
|
87
|
76
|
68
|
67
|
45
|
52
|
221
|
192
|
132
|
89
|
75
|
82
|
67
|
31
|
26
|
35
|
33
|
53
|
34
|
30
|
39
|
25
|
39
|
54
|
52
|
|
|
2025/03
|
35
|
34
|
22
|
20
|
29
|
37
|
54
|
49
|
51
|
45
|
49
|
49
|
51
|
27
|
20
|
42
|
42
|
40
|
46
|
51
|
54
|
59
|
71
|
78
|
75
|
67
|
69
|
64
|
46
|
22
|
44
|
|
2025/02
|
29
|
24
|
45
|
60
|
67
|
68
|
56
|
62
|
48
|
56
|
65
|
68
|
89
|
106
|
64
|
38
|
45
|
39
|
31
|
19
|
66
|
31
|
34
|
74
|
90
|
87
|
46
|
37
|
|||
|
2025/01
|
127
|
113
|
136
|
156
|
169
|
108
|
91
|
94
|
59
|
58
|
61
|
73
|
69
|
65
|
89
|
67
|
75
|
75
|
94
|
87
|
92
|
96
|
125
|
230
|
51
|
30
|
57
|
72
|
230
|
121
|
69
|
|
2024/12
|
61
|
66
|
76
|
131
|
57
|
42
|
45
|
59
|
107
|
79
|
42
|
69
|
86
|
67
|
58
|
64
|
73
|
74
|
95
|
116
|
116
|
106
|
88
|
103
|
119
|
118
|
113
|
126
|
96
|
118
|
111
|
|
2024/11
|
58
|
86
|
74
|
71
|
78
|
64
|
58
|
53
|
60
|
72
|
59
|
60
|
64
|
72
|
60
|
63
|
26
|
11
|
15
|
29
|
46
|
50
|
57
|
63
|
39
|
27
|
37
|
47
|
48
|
59
|
|
|
2024/10
|
32
|
44
|
57
|
54
|
52
|
64
|
66
|
53
|
49
|
56
|
62
|
67
|
114
|
85
|
36
|
31
|
46
|
37
|
22
|
28
|
34
|
21
|
32
|
43
|
49
|
58
|
45
|
54
|
64
|
54
|
52
|
|
2024/09
|
45
|
47
|
51
|
47
|
49
|
44
|
30
|
31
|
37
|
35
|
41
|
45
|
38
|
42
|
41
|
42
|
50
|
51
|
49
|
45
|
36
|
31
|
41
|
46
|
59
|
57
|
50
|
53
|
53
|
52
|
|
|
2024/08
|
15
|
21
|
23
|
28
|
30
|
30
|
28
|
29
|
30
|
31
|
31
|
26
|
23
|
31
|
33
|
34
|
40
|
59
|
33
|
42
|
40
|
20
|
24
|
23
|
36
|
35
|
40
|
29
|
37
|
42
|
52
|
|
2024/07
|
24
|
17
|
25
|
20
|
21
|
22
|
23
|
23
|
24
|
26
|
24
|
25
|
24
|
21
|
26
|
20
|
15
|
17
|
18
|
21
|
21
|
22
|
21
|
27
|
42
|
35
|
25
|
13
|
14
|
14
|
16
|
|
2024/06
|
19
|
20
|
45
|
23
|
17
|
31
|
35
|
41
|
42
|
29
|
18
|
22
|
18
|
20
|
19
|
22
|
14
|
16
|
17
|
24
|
23
|
24
|
25
|
21
|
12
|
20
|
28
|
24
|
21
|
21
|
|
|
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