Air Quality
Excellent
No health implications.
34
PM2.5
45
PM10
53
O3
0.9
CO
10
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
62
Good
Sat
16 Aug
50
Excellent
Sun
17 Aug
57
Good
Mon
18 Aug
84
Good
Tue
19 Aug
89
Good
Wed
20 Aug
26
Excellent
Thu
21 Aug
20
Excellent
Air quality in the last 12 months (Changning)
|
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
|
|
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
|
|
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