Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
97
O3
0.6
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Oct
63
Good
Mon
2 Oct
61
Good
Tue
3 Oct
56
Good
Wed
4 Oct
51
Good
Thu
5 Oct
40
Excellent
Fri
6 Oct
45
Excellent
Sat
7 Oct
46
Excellent
Air quality in the last 12 months (Changle)
|
2023/08
|
34
|
37
|
36
|
41
|
49
|
50
|
51
|
29
|
35
|
35
|
32
|
21
|
26
|
31
|
25
|
36
|
41
|
39
|
24
|
27
|
34
|
29
|
28
|
43
|
36
|
18
|
19
|
31
|
24
|
15
|
28
|
|
2023/07
|
17
|
17
|
22
|
26
|
33
|
37
|
46
|
45
|
51
|
38
|
31
|
24
|
34
|
30
|
16
|
16
|
15
|
28
|
27
|
31
|
31
|
33
|
32
|
31
|
12
|
18
|
24
|
23
|
18
|
27
|
29
|
|
2023/06
|
22
|
40
|
46
|
45
|
45
|
37
|
32
|
25
|
18
|
24
|
39
|
33
|
37
|
29
|
39
|
37
|
23
|
35
|
33
|
36
|
38
|
37
|
32
|
26
|
28
|
22
|
27
|
32
|
26
|
16
|
|
|
2023/05
|
54
|
50
|
44
|
34
|
23
|
29
|
24
|
31
|
36
|
37
|
34
|
50
|
53
|
59
|
70
|
48
|
38
|
33
|
43
|
33
|
39
|
32
|
60
|
63
|
57
|
49
|
35
|
24
|
12
|
20
|
18
|
|
2023/04
|
30
|
37
|
38
|
61
|
26
|
20
|
23
|
53
|
34
|
40
|
62
|
66
|
141
|
85
|
53
|
59
|
73
|
51
|
28
|
26
|
26
|
50
|
59
|
52
|
26
|
32
|
45
|
46
|
48
|
39
|
|
|
2023/03
|
49
|
59
|
40
|
48
|
58
|
50
|
55
|
55
|
54
|
47
|
42
|
51
|
55
|
48
|
55
|
45
|
40
|
28
|
30
|
43
|
62
|
56
|
35
|
23
|
19
|
21
|
57
|
47
|
40
|
31
|
31
|
|
2023/02
|
53
|
46
|
39
|
24
|
30
|
55
|
28
|
23
|
21
|
32
|
21
|
36
|
37
|
26
|
42
|
35
|
43
|
50
|
78
|
96
|
29
|
27
|
33
|
40
|
62
|
39
|
28
|
39
|
|||
|
2023/01
|
35
|
37
|
29
|
29
|
32
|
40
|
49
|
65
|
48
|
40
|
37
|
33
|
47
|
28
|
13
|
25
|
49
|
40
|
46
|
51
|
82
|
87
|
25
|
29
|
43
|
27
|
37
|
51
|
51
|
43
|
40
|
|
2022/12
|
13
|
13
|
24
|
27
|
15
|
18
|
23
|
38
|
37
|
27
|
37
|
30
|
41
|
49
|
29
|
19
|
13
|
25
|
37
|
53
|
45
|
48
|
53
|
37
|
41
|
44
|
45
|
50
|
64
|
20
|
26
|
|
2022/11
|
23
|
24
|
21
|
28
|
26
|
28
|
27
|
29
|
27
|
35
|
20
|
28
|
40
|
25
|
29
|
18
|
30
|
26
|
32
|
28
|
30
|
40
|
33
|
25
|
21
|
29
|
38
|
28
|
27
|
18
|
|
|
2022/10
|
19
|
23
|
23
|
26
|
23
|
22
|
22
|
23
|
31
|
26
|
35
|
34
|
35
|
35
|
32
|
28
|
28
|
33
|
31
|
30
|
32
|
27
|
46
|
41
|
32
|
28
|
25
|
24
|
31
|
32
|
25
|
|
2022/09
|
33
|
34
|
23
|
27
|
34
|
44
|
39
|
48
|
54
|
40
|
35
|
36
|
39
|
27
|
37
|
49
|
40
|
50
|
52
|
46
|
42
|
30
|
40
|
43
|
38
|
36
|
33
|
25
|
27
|
22
|
|
|
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