Air Quality
Excellent
No health implications.
17
PM2.5
23
PM10
8
O3
0.6
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
50
Excellent
Tue
29 Jul
57
Good
Wed
30 Jul
53
Good
Thu
31 Jul
52
Good
Fri
1 Aug
54
Good
Sat
2 Aug
52
Good
Sun
3 Aug
47
Excellent
Air quality in the last 12 months (Kaiyang)
|
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
|
|
|
2024/08
|
12
|
9
|
12
|
10
|
16
|
19
|
18
|
18
|
19
|
19
|
33
|
52
|
49
|
37
|
32
|
32
|
27
|
25
|
32
|
30
|
28
|
20
|
13
|
14
|
11
|
17
|
21
|
25
|
28
|
30
|
25
|
|
2024/07
|
17
|
23
|
13
|
11
|
13
|
13
|
15
|
15
|
18
|
18
|
15
|
17
|
17
|
13
|
11
|
14
|
13
|
11
|
9
|
11
|
10
|
14
|
13
|
13
|
23
|
31
|
29
|
28
|
14
|
12
|
12
|
|
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