Air Quality
Excellent
No health implications.
31
PM2.5
43
PM10
64
O3
0.7
CO
11
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Nov
45
Excellent
Mon
3 Nov
46
Excellent
Tue
4 Nov
41
Excellent
Wed
5 Nov
45
Excellent
Thu
6 Nov
43
Excellent
Fri
7 Nov
38
Excellent
Sat
8 Nov
39
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