Air Quality
Excellent
No health implications.
6
PM2.5
16
PM10
19
O3
0.5
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
41
Excellent
Wed
21 May
39
Excellent
Thu
22 May
41
Excellent
Fri
23 May
48
Excellent
Sat
24 May
47
Excellent
Sun
25 May
23
Excellent
Mon
26 May
17
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