Air Quality
Excellent
No health implications.
15
PM2.5
26
PM10
23
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jul
45
Excellent
Tue
8 Jul
38
Excellent
Wed
9 Jul
41
Excellent
Thu
10 Jul
37
Excellent
Fri
11 Jul
41
Excellent
Sat
12 Jul
41
Excellent
Sun
13 Jul
39
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