Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
64
O3
0.7
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
53
Good
Tue
1 Jul
82
Good
Wed
2 Jul
57
Good
Thu
3 Jul
54
Good
Fri
4 Jul
51
Good
Sat
5 Jul
48
Excellent
Sun
6 Jul
36
Excellent
Air quality in the last 12 months (Changning)
|
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
|
|
2025/02
|
39
|
36
|
32
|
43
|
32
|
25
|
23
|
31
|
45
|
55
|
73
|
60
|
45
|
53
|
60
|
69
|
77
|
71
|
96
|
49
|
58
|
39
|
48
|
27
|
36
|
38
|
75
|
89
|
|||
|
2025/01
|
115
|
151
|
146
|
175
|
143
|
128
|
107
|
54
|
54
|
54
|
41
|
57
|
79
|
90
|
84
|
91
|
101
|
62
|
58
|
89
|
145
|
136
|
131
|
86
|
34
|
46
|
63
|
76
|
155
|
115
|
80
|
|
2024/12
|
102
|
144
|
105
|
123
|
61
|
50
|
40
|
31
|
47
|
55
|
58
|
59
|
45
|
52
|
53
|
71
|
110
|
124
|
96
|
95
|
115
|
90
|
59
|
86
|
72
|
64
|
96
|
98
|
88
|
60
|
64
|
|
2024/11
|
34
|
28
|
66
|
51
|
36
|
55
|
55
|
54
|
70
|
72
|
50
|
51
|
38
|
48
|
71
|
51
|
18
|
24
|
25
|
28
|
43
|
59
|
70
|
43
|
18
|
25
|
38
|
45
|
52
|
63
|
|
|
2024/10
|
15
|
26
|
25
|
36
|
46
|
44
|
42
|
48
|
50
|
53
|
34
|
21
|
21
|
32
|
45
|
78
|
26
|
40
|
34
|
27
|
34
|
18
|
30
|
69
|
55
|
34
|
25
|
37
|
75
|
81
|
63
|
|
2024/09
|
34
|
34
|
34
|
28
|
26
|
31
|
37
|
23
|
26
|
38
|
28
|
33
|
51
|
52
|
49
|
48
|
28
|
32
|
40
|
55
|
26
|
44
|
57
|
72
|
85
|
70
|
71
|
83
|
100
|
7
|
|
|
2024/08
|
40
|
34
|
40
|
17
|
30
|
30
|
30
|
35
|
40
|
25
|
64
|
69
|
61
|
56
|
55
|
31
|
43
|
48
|
48
|
50
|
58
|
59
|
57
|
45
|
36
|
40
|
48
|
46
|
56
|
59
|
57
|
|
2024/07
|
25
|
25
|
31
|
25
|
29
|
35
|
47
|
38
|
13
|
13
|
16
|
25
|
38
|
11
|
26
|
36
|
39
|
18
|
29
|
28
|
32
|
25
|
37
|
38
|
26
|
49
|
47
|
26
|
24
|
27
|
42
|
|
2024/06
|
54
|
33
|
34
|
24
|
29
|
41
|
18
|
21
|
31
|
27
|
25
|
25
|
40
|
43
|
42
|
58
|
31
|
43
|
30
|
26
|
21
|
20
|
27
|
30
|
33
|
37
|
14
|
29
|
21
|
35
|
|
|
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