Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
44
O3
0.5
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
34
Excellent
Sun
15 Mar
30
Excellent
Mon
16 Mar
40
Excellent
Tue
17 Mar
44
Excellent
Wed
18 Mar
62
Good
Thu
19 Mar
67
Good
Fri
20 Mar
40
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