Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
57
O3
0.3
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
95
Good
Sun
21 Jun
53
Good
Mon
22 Jun
50
Excellent
Tue
23 Jun
45
Excellent
Wed
24 Jun
44
Excellent
Thu
25 Jun
42
Excellent
Fri
26 Jun
50
Excellent
Air quality in the last 12 months (Changning)
|
2026/05
|
51
|
47
|
47
|
44
|
45
|
38
|
51
|
30
|
30
|
37
|
44
|
45
|
36
|
24
|
32
|
30
|
34
|
33
|
37
|
39
|
44
|
37
|
56
|
22
|
32
|
33
|
38
|
48
|
45
|
44
|
47
|
|
2026/04
|
62
|
64
|
39
|
58
|
59
|
62
|
32
|
34
|
35
|
59
|
45
|
31
|
30
|
40
|
41
|
34
|
45
|
31
|
43
|
38
|
80
|
26
|
31
|
45
|
45
|
50
|
64
|
46
|
30
|
42
|
|
|
2026/03
|
25
|
21
|
29
|
25
|
43
|
45
|
34
|
28
|
37
|
28
|
34
|
40
|
57
|
42
|
31
|
39
|
55
|
40
|
36
|
38
|
35
|
44
|
34
|
36
|
60
|
34
|
38
|
42
|
53
|
43
|
39
|
|
2026/02
|
66
|
90
|
40
|
50
|
85
|
54
|
31
|
38
|
30
|
40
|
94
|
99
|
73
|
71
|
87
|
32
|
49
|
85
|
84
|
60
|
42
|
69
|
62
|
18
|
37
|
25
|
19
|
34
|
|||
|
2026/01
|
17
|
34
|
52
|
61
|
111
|
115
|
70
|
91
|
84
|
83
|
59
|
59
|
78
|
80
|
87
|
159
|
94
|
45
|
28
|
22
|
41
|
47
|
71
|
89
|
52
|
22
|
58
|
35
|
34
|
32
|
17
|
|
2025/12
|
98
|
48
|
37
|
32
|
53
|
69
|
98
|
75
|
45
|
37
|
89
|
24
|
32
|
62
|
65
|
59
|
110
|
42
|
42
|
108
|
27
|
23
|
43
|
50
|
40
|
22
|
34
|
76
|
89
|
86
|
28
|
|
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
|
|
|
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