Air Quality
Excellent
No health implications.
12
PM2.5
23
PM10
20
O3
0.7
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Oct
47
Excellent
Wed
15 Oct
45
Excellent
Thu
16 Oct
45
Excellent
Fri
17 Oct
43
Excellent
Sat
18 Oct
47
Excellent
Sun
19 Oct
30
Excellent
Mon
20 Oct
16
Excellent
Air quality in the last 12 months (Changting)
|
2025/08
|
26
|
25
|
16
|
17
|
15
|
16
|
21
|
20
|
25
|
26
|
24
|
27
|
24
|
11
|
18
|
15
|
18
|
19
|
18
|
16
|
17
|
22
|
28
|
22
|
19
|
20
|
20
|
19
|
20
|
21
|
27
|
|
2025/07
|
24
|
23
|
26
|
31
|
28
|
25
|
29
|
35
|
28
|
14
|
17
|
20
|
19
|
20
|
26
|
31
|
33
|
30
|
15
|
11
|
12
|
12
|
18
|
17
|
20
|
27
|
19
|
18
|
22
|
21
|
26
|
|
2025/06
|
19
|
22
|
16
|
21
|
29
|
35
|
32
|
32
|
23
|
25
|
22
|
18
|
23
|
17
|
15
|
16
|
18
|
19
|
20
|
17
|
14
|
15
|
16
|
22
|
26
|
19
|
17
|
19
|
20
|
22
|
|
|
2025/05
|
45
|
47
|
50
|
44
|
22
|
24
|
37
|
29
|
17
|
37
|
25
|
30
|
39
|
34
|
33
|
27
|
24
|
18
|
16
|
20
|
23
|
27
|
24
|
28
|
40
|
39
|
42
|
29
|
11
|
17
|
27
|
|
2025/04
|
29
|
36
|
44
|
51
|
48
|
52
|
54
|
56
|
56
|
36
|
42
|
85
|
129
|
92
|
73
|
62
|
64
|
56
|
27
|
20
|
37
|
29
|
23
|
23
|
14
|
13
|
21
|
26
|
44
|
47
|
|
|
2025/03
|
30
|
27
|
29
|
15
|
15
|
15
|
29
|
29
|
42
|
49
|
45
|
33
|
27
|
18
|
10
|
20
|
45
|
33
|
38
|
37
|
41
|
46
|
49
|
61
|
69
|
73
|
51
|
49
|
14
|
9
|
16
|
|
2025/02
|
32
|
23
|
17
|
32
|
32
|
40
|
31
|
53
|
32
|
39
|
43
|
100
|
53
|
50
|
54
|
37
|
35
|
50
|
43
|
27
|
19
|
20
|
14
|
19
|
41
|
54
|
45
|
39
|
|||
|
2025/01
|
83
|
68
|
65
|
61
|
67
|
71
|
64
|
62
|
58
|
36
|
44
|
45
|
50
|
49
|
54
|
54
|
42
|
50
|
51
|
49
|
49
|
55
|
44
|
56
|
45
|
16
|
32
|
57
|
92
|
52
|
39
|
|
2024/12
|
46
|
45
|
48
|
52
|
56
|
52
|
41
|
40
|
56
|
51
|
38
|
30
|
42
|
55
|
45
|
45
|
48
|
50
|
55
|
56
|
56
|
62
|
62
|
56
|
67
|
62
|
83
|
79
|
68
|
63
|
67
|
|
2024/11
|
18
|
24
|
33
|
37
|
47
|
44
|
36
|
35
|
42
|
44
|
39
|
33
|
30
|
33
|
28
|
19
|
26
|
18
|
22
|
28
|
27
|
29
|
33
|
43
|
34
|
18
|
30
|
30
|
36
|
43
|
|
|
2024/10
|
23
|
20
|
31
|
28
|
29
|
32
|
30
|
22
|
19
|
25
|
38
|
44
|
39
|
46
|
55
|
32
|
30
|
33
|
31
|
23
|
25
|
31
|
23
|
33
|
38
|
35
|
25
|
11
|
24
|
35
|
31
|
|
2024/09
|
33
|
31
|
37
|
28
|
25
|
21
|
17
|
17
|
18
|
25
|
30
|
36
|
34
|
29
|
24
|
27
|
24
|
22
|
27
|
21
|
22
|
19
|
16
|
19
|
22
|
24
|
30
|
24
|
23
|
23
|
|
|
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