Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
53
O3
0.9
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Mar
56
Good
Mon
30 Mar
47
Excellent
Tue
31 Mar
52
Good
Wed
1 Apr
46
Excellent
Thu
2 Apr
44
Excellent
Fri
3 Apr
57
Good
Sat
4 Apr
27
Excellent
Air quality in the last 12 months (Changning)
|
2026/02
|
52
|
57
|
67
|
86
|
107
|
75
|
77
|
67
|
64
|
63
|
59
|
71
|
70
|
64
|
66
|
26
|
82
|
82
|
56
|
42
|
59
|
64
|
57
|
32
|
50
|
35
|
18
|
24
|
|||
|
2026/01
|
31
|
56
|
70
|
78
|
52
|
74
|
72
|
63
|
64
|
92
|
102
|
97
|
106
|
88
|
93
|
116
|
113
|
110
|
46
|
20
|
54
|
61
|
66
|
52
|
76
|
57
|
111
|
85
|
58
|
34
|
39
|
|
2025/12
|
75
|
112
|
93
|
77
|
80
|
86
|
97
|
107
|
113
|
115
|
97
|
113
|
23
|
45
|
58
|
65
|
78
|
126
|
86
|
66
|
102
|
105
|
66
|
41
|
56
|
61
|
69
|
77
|
92
|
114
|
158
|
|
2025/11
|
46
|
41
|
23
|
21
|
28
|
29
|
46
|
14
|
9
|
13
|
34
|
53
|
41
|
48
|
53
|
59
|
64
|
27
|
34
|
43
|
51
|
60
|
71
|
64
|
52
|
61
|
71
|
80
|
72
|
68
|
|
|
2025/10
|
58
|
44
|
31
|
49
|
48
|
22
|
34
|
49
|
39
|
38
|
44
|
68
|
88
|
47
|
58
|
55
|
50
|
23
|
9
|
8
|
10
|
24
|
36
|
41
|
51
|
63
|
66
|
67
|
81
|
93
|
57
|
|
2025/09
|
21
|
24
|
26
|
31
|
37
|
34
|
41
|
34
|
19
|
21
|
19
|
21
|
26
|
34
|
34
|
33
|
25
|
39
|
38
|
23
|
24
|
18
|
24
|
10
|
12
|
20
|
32
|
44
|
51
|
57
|
|
|
2025/08
|
29
|
27
|
17
|
19
|
21
|
13
|
13
|
18
|
26
|
29
|
30
|
32
|
33
|
25
|
12
|
18
|
22
|
23
|
13
|
16
|
20
|
19
|
25
|
26
|
23
|
19
|
29
|
28
|
26
|
21
|
23
|
|
2025/07
|
14
|
14
|
17
|
23
|
33
|
38
|
40
|
33
|
34
|
22
|
24
|
26
|
26
|
28
|
23
|
24
|
26
|
39
|
33
|
31
|
22
|
13
|
15
|
23
|
24
|
28
|
23
|
21
|
24
|
24
|
22
|
|
2025/06
|
19
|
20
|
40
|
45
|
45
|
38
|
29
|
27
|
36
|
39
|
37
|
26
|
32
|
17
|
14
|
23
|
11
|
11
|
16
|
21
|
21
|
15
|
25
|
18
|
31
|
24
|
14
|
15
|
16
|
16
|
|
|
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
|
|
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