Air Quality
Excellent
No health implications.
7
PM2.5
8
PM10
35
O3
0.6
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
37
Excellent
Sat
10 May
44
Excellent
Sun
11 May
51
Good
Mon
12 May
48
Excellent
Tue
13 May
48
Excellent
Wed
14 May
49
Excellent
Thu
15 May
22
Excellent
Air quality in the last 12 months (Changting)
|
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
|
|
|
2024/08
|
20
|
24
|
30
|
36
|
20
|
32
|
27
|
27
|
32
|
38
|
30
|
26
|
26
|
19
|
20
|
21
|
16
|
17
|
18
|
18
|
13
|
15
|
27
|
28
|
25
|
28
|
33
|
28
|
29
|
36
|
34
|
|
2024/07
|
22
|
19
|
22
|
21
|
22
|
20
|
18
|
17
|
21
|
22
|
22
|
17
|
18
|
22
|
22
|
22
|
17
|
19
|
19
|
19
|
21
|
26
|
30
|
28
|
26
|
12
|
11
|
15
|
18
|
23
|
14
|
|
2024/06
|
20
|
12
|
18
|
19
|
20
|
19
|
27
|
32
|
20
|
24
|
20
|
23
|
24
|
19
|
19
|
17
|
17
|
23
|
23
|
20
|
20
|
30
|
29
|
19
|
21
|
25
|
22
|
23
|
19
|
18
|
|
|
2024/05
|
20
|
21
|
32
|
32
|
19
|
26
|
41
|
43
|
47
|
56
|
41
|
30
|
41
|
36
|
39
|
47
|
51
|
51
|
45
|
24
|
15
|
12
|
23
|
21
|
17
|
18
|
19
|
21
|
26
|
34
|
29
|
|
2024/04
|
28
|
40
|
33
|
20
|
19
|
23
|
21
|
18
|
21
|
34
|
50
|
52
|
54
|
50
|
53
|
51
|
32
|
28
|
18
|
20
|
20
|
27
|
26
|
29
|
22
|
26
|
31
|
23
|
29
|
22
|
|
|
2024/03
|
23
|
28
|
37
|
52
|
45
|
17
|
29
|
40
|
51
|
51
|
35
|
37
|
57
|
56
|
28
|
40
|
47
|
23
|
24
|
55
|
57
|
54
|
45
|
43
|
32
|
22
|
41
|
28
|
32
|
45
|
26
|
|
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