Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
33
O3
0.4
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
38
Excellent
Sun
7 Sep
38
Excellent
Mon
8 Sep
33
Excellent
Tue
9 Sep
34
Excellent
Wed
10 Sep
29
Excellent
Thu
11 Sep
33
Excellent
Fri
12 Sep
25
Excellent
Air quality in the last 12 months (Kaiyang)
|
2025/08
|
27
|
29
|
31
|
35
|
32
|
20
|
21
|
18
|
22
|
27
|
17
|
20
|
28
|
23
|
16
|
14
|
20
|
21
|
15
|
18
|
16
|
12
|
20
|
22
|
21
|
19
|
22
|
21
|
30
|
35
|
31
|
|
2025/07
|
17
|
15
|
16
|
20
|
22
|
32
|
30
|
31
|
22
|
22
|
23
|
29
|
29
|
30
|
25
|
25
|
24
|
29
|
28
|
25
|
14
|
13
|
14
|
17
|
18
|
21
|
24
|
29
|
30
|
25
|
25
|
|
2025/06
|
21
|
18
|
26
|
29
|
34
|
38
|
44
|
47
|
39
|
32
|
35
|
34
|
37
|
27
|
30
|
35
|
29
|
23
|
15
|
23
|
29
|
18
|
24
|
15
|
16
|
16
|
19
|
20
|
19
|
16
|
|
|
2025/05
|
43
|
56
|
48
|
28
|
38
|
33
|
27
|
26
|
37
|
27
|
42
|
39
|
37
|
44
|
49
|
47
|
39
|
47
|
62
|
41
|
27
|
25
|
37
|
51
|
41
|
34
|
14
|
13
|
20
|
25
|
19
|
|
2025/04
|
34
|
46
|
55
|
63
|
59
|
60
|
64
|
68
|
74
|
60
|
57
|
122
|
201
|
94
|
75
|
65
|
56
|
54
|
20
|
25
|
37
|
23
|
39
|
23
|
39
|
30
|
20
|
31
|
42
|
18
|
|
|
2025/03
|
47
|
63
|
58
|
29
|
21
|
28
|
37
|
43
|
23
|
32
|
37
|
54
|
36
|
26
|
23
|
29
|
35
|
31
|
36
|
49
|
58
|
63
|
56
|
59
|
60
|
62
|
64
|
72
|
22
|
24
|
36
|
|
2025/02
|
25
|
16
|
30
|
37
|
40
|
25
|
27
|
50
|
55
|
49
|
37
|
50
|
45
|
20
|
31
|
43
|
33
|
29
|
20
|
17
|
21
|
16
|
23
|
32
|
29
|
44
|
35
|
41
|
|||
|
2025/01
|
92
|
90
|
86
|
84
|
86
|
83
|
64
|
49
|
29
|
41
|
52
|
57
|
50
|
65
|
62
|
70
|
60
|
55
|
56
|
74
|
76
|
82
|
81
|
57
|
21
|
22
|
43
|
42
|
94
|
44
|
38
|
|
2024/12
|
77
|
101
|
51
|
37
|
19
|
23
|
22
|
40
|
21
|
10
|
19
|
41
|
55
|
62
|
59
|
62
|
68
|
59
|
68
|
95
|
118
|
78
|
79
|
82
|
80
|
53
|
69
|
81
|
76
|
49
|
57
|
|
2024/11
|
50
|
32
|
55
|
48
|
46
|
56
|
50
|
51
|
44
|
37
|
38
|
40
|
50
|
47
|
63
|
56
|
33
|
11
|
13
|
16
|
16
|
25
|
32
|
17
|
13
|
18
|
28
|
33
|
41
|
52
|
|
|
2024/10
|
10
|
13
|
29
|
35
|
42
|
50
|
36
|
26
|
36
|
52
|
60
|
58
|
33
|
22
|
30
|
30
|
17
|
27
|
11
|
12
|
18
|
14
|
20
|
20
|
22
|
36
|
52
|
45
|
32
|
38
|
45
|
|
2024/09
|
26
|
20
|
16
|
18
|
28
|
33
|
27
|
17
|
14
|
21
|
25
|
27
|
35
|
30
|
23
|
35
|
25
|
23
|
27
|
35
|
27
|
18
|
31
|
36
|
42
|
50
|
50
|
40
|
26
|
14
|
|
|
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