Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
105
O3
0.6
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
37
Excellent
Mon
29 Apr
36
Excellent
Tue
30 Apr
39
Excellent
Wed
1 May
35
Excellent
Thu
2 May
39
Excellent
Fri
3 May
37
Excellent
Sat
4 May
36
Excellent
Air quality in the last 12 months (Changting)
|
2024/02
|
46
|
23
|
17
|
17
|
17
|
19
|
13
|
24
|
50
|
88
|
52
|
40
|
39
|
43
|
41
|
24
|
35
|
32
|
27
|
27
|
25
|
19
|
18
|
23
|
20
|
22
|
26
|
32
|
22
|
||
|
2024/01
|
81
|
81
|
34
|
43
|
51
|
55
|
53
|
72
|
53
|
37
|
39
|
47
|
48
|
55
|
65
|
79
|
62
|
57
|
44
|
24
|
22
|
16
|
28
|
37
|
43
|
46
|
49
|
42
|
52
|
37
|
47
|
|
2023/12
|
41
|
42
|
43
|
33
|
23
|
31
|
35
|
41
|
48
|
47
|
39
|
20
|
30
|
40
|
28
|
15
|
32
|
26
|
17
|
25
|
37
|
44
|
40
|
43
|
44
|
50
|
52
|
57
|
65
|
65
|
77
|
|
2023/11
|
40
|
39
|
43
|
49
|
47
|
31
|
34
|
43
|
46
|
28
|
14
|
13
|
24
|
33
|
39
|
29
|
57
|
57
|
56
|
47
|
43
|
47
|
47
|
54
|
55
|
52
|
54
|
51
|
52
|
57
|
|
|
2023/10
|
34
|
28
|
36
|
35
|
26
|
27
|
15
|
15
|
16
|
17
|
19
|
27
|
35
|
42
|
46
|
44
|
49
|
51
|
51
|
19
|
21
|
29
|
32
|
38
|
46
|
50
|
32
|
25
|
30
|
36
|
42
|
|
2023/09
|
20
|
22
|
23
|
23
|
20
|
13
|
16
|
25
|
27
|
29
|
23
|
26
|
27
|
20
|
16
|
21
|
21
|
24
|
35
|
34
|
36
|
33
|
29
|
31
|
28
|
30
|
31
|
31
|
30
|
33
|
|
|
2023/08
|
18
|
28
|
28
|
34
|
32
|
31
|
29
|
26
|
27
|
27
|
28
|
22
|
22
|
24
|
25
|
27
|
27
|
31
|
34
|
29
|
21
|
19
|
23
|
25
|
29
|
27
|
23
|
23
|
19
|
17
|
17
|
|
2023/07
|
26
|
19
|
16
|
17
|
19
|
21
|
19
|
22
|
28
|
28
|
28
|
25
|
25
|
31
|
40
|
26
|
19
|
16
|
16
|
19
|
21
|
20
|
21
|
22
|
25
|
18
|
14
|
13
|
21
|
21
|
21
|
|
2023/06
|
35
|
37
|
37
|
32
|
29
|
30
|
24
|
19
|
19
|
24
|
33
|
46
|
47
|
35
|
31
|
25
|
20
|
20
|
19
|
22
|
21
|
24
|
19
|
21
|
23
|
21
|
21
|
21
|
18
|
21
|
|
|
2023/05
|
52
|
44
|
35
|
21
|
27
|
22
|
20
|
27
|
28
|
39
|
36
|
29
|
37
|
46
|
48
|
52
|
27
|
26
|
37
|
34
|
25
|
26
|
33
|
38
|
37
|
33
|
34
|
42
|
35
|
33
|
33
|
|
2023/04
|
37
|
43
|
39
|
28
|
27
|
25
|
29
|
54
|
56
|
55
|
48
|
38
|
40
|
47
|
38
|
54
|
56
|
43
|
28
|
30
|
33
|
29
|
40
|
17
|
12
|
20
|
31
|
42
|
40
|
59
|
|
|
2023/03
|
48
|
61
|
73
|
68
|
53
|
52
|
57
|
57
|
54
|
55
|
53
|
54
|
62
|
58
|
64
|
65
|
46
|
46
|
40
|
50
|
50
|
46
|
29
|
19
|
18
|
19
|
22
|
35
|
36
|
33
|
44
|
|
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