Air Quality
Excellent
No health implications.
24
PM2.5
33
PM10
134
O3
0.7
CO
8
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
61
Good
Thu
12 Mar
68
Good
Fri
13 Mar
78
Good
Sat
14 Mar
36
Excellent
Sun
15 Mar
36
Excellent
Mon
16 Mar
43
Excellent
Tue
17 Mar
32
Excellent
Air quality in the last 12 months (Changning)
|
2026/02
|
64
|
80
|
94
|
88
|
91
|
96
|
104
|
40
|
39
|
45
|
42
|
69
|
67
|
78
|
85
|
59
|
125
|
80
|
67
|
61
|
70
|
94
|
99
|
49
|
62
|
51
|
60
|
49
|
|||
|
2026/01
|
34
|
36
|
29
|
33
|
43
|
63
|
71
|
79
|
100
|
139
|
153
|
146
|
132
|
147
|
134
|
168
|
154
|
186
|
122
|
13
|
35
|
41
|
63
|
88
|
63
|
59
|
83
|
108
|
126
|
61
|
29
|
|
2025/12
|
110
|
135
|
105
|
51
|
63
|
79
|
65
|
91
|
81
|
74
|
85
|
101
|
34
|
65
|
68
|
88
|
85
|
98
|
117
|
59
|
50
|
50
|
50
|
60
|
65
|
77
|
85
|
94
|
103
|
86
|
60
|
|
2025/11
|
20
|
20
|
24
|
26
|
46
|
37
|
30
|
20
|
37
|
37
|
25
|
24
|
19
|
32
|
33
|
51
|
19
|
19
|
28
|
49
|
51
|
91
|
73
|
64
|
64
|
87
|
78
|
99
|
116
|
130
|
|
|
2025/10
|
17
|
31
|
38
|
34
|
27
|
21
|
24
|
29
|
47
|
72
|
62
|
22
|
12
|
25
|
35
|
42
|
32
|
17
|
33
|
18
|
9
|
22
|
24
|
38
|
35
|
30
|
29
|
54
|
29
|
27
|
36
|
|
2025/09
|
36
|
43
|
38
|
48
|
46
|
29
|
54
|
38
|
37
|
54
|
43
|
10
|
19
|
30
|
41
|
51
|
23
|
12
|
10
|
24
|
19
|
10
|
15
|
20
|
35
|
24
|
34
|
36
|
12
|
24
|
|
|
2025/08
|
32
|
31
|
37
|
47
|
41
|
35
|
27
|
38
|
39
|
22
|
10
|
21
|
29
|
37
|
40
|
31
|
32
|
28
|
24
|
33
|
29
|
17
|
15
|
15
|
19
|
25
|
36
|
43
|
16
|
17
|
20
|
|
2025/07
|
21
|
26
|
35
|
29
|
11
|
23
|
30
|
34
|
22
|
19
|
21
|
26
|
31
|
34
|
38
|
40
|
36
|
40
|
23
|
20
|
21
|
17
|
17
|
15
|
21
|
19
|
22
|
24
|
29
|
35
|
28
|
|
2025/06
|
29
|
16
|
30
|
34
|
46
|
57
|
65
|
44
|
43
|
41
|
42
|
40
|
44
|
43
|
29
|
37
|
41
|
24
|
24
|
36
|
23
|
25
|
33
|
32
|
12
|
22
|
33
|
33
|
32
|
13
|
|
|
2025/05
|
43
|
59
|
76
|
67
|
37
|
31
|
28
|
51
|
69
|
59
|
43
|
58
|
72
|
53
|
61
|
55
|
55
|
60
|
44
|
58
|
32
|
39
|
53
|
54
|
47
|
45
|
44
|
18
|
25
|
43
|
24
|
|
2025/04
|
37
|
47
|
56
|
51
|
61
|
37
|
34
|
49
|
64
|
80
|
79
|
115
|
138
|
108
|
100
|
67
|
56
|
63
|
49
|
50
|
56
|
46
|
59
|
42
|
40
|
41
|
32
|
43
|
39
|
20
|
|
|
2025/03
|
111
|
101
|
34
|
52
|
25
|
12
|
28
|
37
|
60
|
74
|
80
|
60
|
64
|
50
|
28
|
21
|
16
|
22
|
25
|
40
|
55
|
75
|
68
|
52
|
60
|
69
|
90
|
98
|
39
|
25
|
37
|
|
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