Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
26
O3
0.6
CO
5
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
87
Good
Thu
21 Aug
97
Good
Fri
22 Aug
124
Light
Sat
23 Aug
107
Light
Sun
24 Aug
69
Good
Mon
25 Aug
23
Excellent
Tue
26 Aug
33
Excellent
Air quality in the last 12 months (Changning)
|
2025/06
|
17
|
17
|
35
|
63
|
42
|
41
|
40
|
21
|
24
|
29
|
29
|
18
|
15
|
34
|
16
|
25
|
53
|
49
|
39
|
24
|
26
|
13
|
11
|
26
|
42
|
48
|
33
|
38
|
24
|
16
|
|
|
2025/05
|
55
|
48
|
49
|
23
|
37
|
79
|
61
|
48
|
21
|
48
|
37
|
48
|
42
|
36
|
44
|
49
|
58
|
62
|
43
|
44
|
35
|
35
|
13
|
46
|
43
|
38
|
33
|
32
|
36
|
54
|
51
|
|
2025/04
|
44
|
64
|
42
|
38
|
66
|
66
|
61
|
66
|
74
|
83
|
67
|
77
|
94
|
76
|
55
|
61
|
66
|
61
|
59
|
53
|
42
|
62
|
63
|
86
|
48
|
38
|
40
|
50
|
40
|
46
|
|
|
2025/03
|
43
|
55
|
27
|
22
|
20
|
37
|
46
|
63
|
37
|
44
|
56
|
33
|
37
|
40
|
22
|
45
|
48
|
41
|
39
|
56
|
60
|
63
|
67
|
60
|
79
|
76
|
68
|
46
|
58
|
30
|
38
|
|
2025/02
|
27
|
59
|
69
|
64
|
53
|
37
|
50
|
41
|
46
|
53
|
30
|
77
|
39
|
34
|
65
|
115
|
60
|
45
|
47
|
29
|
34
|
60
|
58
|
73
|
85
|
134
|
137
|
55
|
|||
|
2025/01
|
53
|
42
|
56
|
35
|
65
|
95
|
65
|
67
|
31
|
41
|
58
|
71
|
89
|
102
|
38
|
58
|
70
|
72
|
98
|
156
|
112
|
31
|
37
|
37
|
33
|
44
|
55
|
44
|
88
|
46
|
34
|
|
2024/12
|
59
|
79
|
77
|
31
|
51
|
135
|
131
|
30
|
32
|
40
|
55
|
48
|
63
|
74
|
64
|
66
|
75
|
65
|
39
|
51
|
85
|
49
|
37
|
46
|
60
|
125
|
44
|
54
|
70
|
65
|
75
|
|
2024/11
|
9
|
52
|
81
|
63
|
24
|
22
|
23
|
28
|
31
|
31
|
42
|
45
|
54
|
36
|
62
|
48
|
21
|
27
|
25
|
31
|
59
|
81
|
17
|
21
|
32
|
37
|
57
|
68
|
53
|
63
|
|
|
2024/10
|
19
|
25
|
20
|
19
|
18
|
13
|
15
|
45
|
35
|
70
|
78
|
63
|
20
|
39
|
54
|
32
|
31
|
41
|
28
|
37
|
42
|
51
|
44
|
22
|
36
|
15
|
17
|
60
|
23
|
30
|
24
|
|
2024/09
|
36
|
38
|
28
|
25
|
23
|
40
|
47
|
29
|
22
|
31
|
13
|
25
|
18
|
18
|
23
|
15
|
20
|
24
|
26
|
17
|
22
|
32
|
29
|
29
|
33
|
20
|
24
|
34
|
33
|
35
|
|
|
2024/08
|
33
|
46
|
50
|
35
|
41
|
33
|
27
|
39
|
34
|
40
|
45
|
46
|
38
|
20
|
25
|
35
|
21
|
17
|
18
|
26
|
21
|
39
|
31
|
31
|
27
|
24
|
44
|
36
|
17
|
29
|
28
|
|
2024/07
|
36
|
26
|
26
|
39
|
45
|
39
|
44
|
42
|
41
|
39
|
25
|
30
|
47
|
73
|
48
|
23
|
34
|
36
|
38
|
35
|
35
|
26
|
22
|
26
|
27
|
34
|
28
|
24
|
20
|
21
|
29
|
|
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