Air Quality
Excellent
No health implications.
8
PM2.5
17
PM10
28
O3
0.4
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
37
Excellent
Mon
16 Jun
43
Excellent
Tue
17 Jun
49
Excellent
Wed
18 Jun
39
Excellent
Thu
19 Jun
39
Excellent
Fri
20 Jun
39
Excellent
Sat
21 Jun
41
Excellent
Air quality in the last 12 months (Changting)
|
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
|
|
|
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
|
|
|
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