Air Quality
Excellent
No health implications.
28
PM2.5
30
PM10
46
O3
0.9
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Dec
58
Good
Mon
30 Dec
56
Good
Tue
31 Dec
59
Good
Wed
1 Jan
42
Excellent
Thu
2 Jan
41
Excellent
Fri
3 Jan
33
Excellent
Sat
4 Jan
24
Excellent
Air quality in the last 12 months (Kaiyuan)
|
2024/11
|
34
|
47
|
55
|
53
|
49
|
59
|
47
|
52
|
53
|
37
|
37
|
35
|
34
|
36
|
32
|
31
|
41
|
48
|
49
|
43
|
43
|
41
|
40
|
43
|
40
|
43
|
25
|
31
|
56
|
54
|
|
|
2024/10
|
29
|
23
|
30
|
28
|
33
|
37
|
44
|
43
|
38
|
35
|
36
|
41
|
41
|
34
|
32
|
20
|
19
|
26
|
36
|
28
|
29
|
30
|
29
|
41
|
34
|
39
|
45
|
55
|
47
|
34
|
31
|
|
2024/09
|
28
|
21
|
20
|
21
|
25
|
29
|
29
|
14
|
13
|
10
|
16
|
19
|
20
|
25
|
27
|
24
|
20
|
21
|
27
|
34
|
28
|
21
|
25
|
32
|
36
|
41
|
40
|
29
|
25
|
23
|
|
|
2024/08
|
24
|
20
|
15
|
14
|
14
|
13
|
13
|
13
|
12
|
15
|
32
|
45
|
25
|
31
|
31
|
30
|
30
|
33
|
31
|
37
|
23
|
16
|
13
|
21
|
17
|
14
|
17
|
22
|
22
|
21
|
22
|
|
2024/07
|
12
|
14
|
14
|
10
|
13
|
14
|
13
|
14
|
14
|
12
|
10
|
12
|
14
|
13
|
16
|
14
|
14
|
14
|
11
|
12
|
10
|
14
|
20
|
17
|
17
|
22
|
23
|
22
|
17
|
15
|
19
|
|
2024/06
|
24
|
20
|
19
|
24
|
15
|
13
|
12
|
13
|
14
|
17
|
13
|
15
|
11
|
14
|
15
|
13
|
21
|
24
|
27
|
24
|
20
|
18
|
19
|
21
|
23
|
12
|
12
|
13
|
11
|
11
|
|
|
2024/05
|
65
|
53
|
33
|
51
|
55
|
37
|
35
|
31
|
21
|
19
|
27
|
31
|
23
|
21
|
28
|
15
|
22
|
25
|
26
|
22
|
35
|
29
|
27
|
24
|
21
|
11
|
11
|
14
|
16
|
26
|
28
|
|
2024/04
|
51
|
54
|
63
|
71
|
71
|
86
|
82
|
62
|
54
|
59
|
63
|
68
|
73
|
54
|
76
|
89
|
82
|
62
|
55
|
48
|
46
|
54
|
54
|
53
|
42
|
49
|
57
|
63
|
64
|
59
|
|
|
2024/03
|
34
|
39
|
51
|
54
|
39
|
41
|
76
|
67
|
55
|
49
|
47
|
54
|
59
|
61
|
66
|
76
|
93
|
78
|
63
|
49
|
45
|
38
|
34
|
46
|
48
|
57
|
59
|
63
|
51
|
72
|
70
|
|
2024/02
|
38
|
41
|
51
|
48
|
49
|
50
|
54
|
56
|
48
|
73
|
62
|
46
|
44
|
43
|
50
|
45
|
43
|
42
|
55
|
51
|
53
|
61
|
65
|
48
|
38
|
45
|
39
|
45
|
45
|
||
|
2024/01
|
44
|
38
|
44
|
29
|
26
|
28
|
31
|
33
|
39
|
40
|
30
|
26
|
31
|
33
|
29
|
23
|
22
|
34
|
34
|
42
|
41
|
30
|
49
|
36
|
39
|
30
|
33
|
35
|
28
|
27
|
28
|
|
2023/12
|
53
|
24
|
17
|
23
|
21
|
32
|
39
|
25
|
25
|
24
|
29
|
31
|
22
|
26
|
28
|
35
|
26
|
25
|
27
|
47
|
57
|
65
|
66
|
82
|
79
|
56
|
49
|
48
|
48
|
46
|
43
|
|
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