Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
67
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
60
Good
Wed
23 Apr
53
Good
Thu
24 Apr
50
Excellent
Fri
25 Apr
53
Good
Sat
26 Apr
47
Excellent
Sun
27 Apr
49
Excellent
Mon
28 Apr
25
Excellent
Air quality in the last 12 months (Kaiyang)
|
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
|
|
2024/06
|
23
|
22
|
9
|
11
|
20
|
19
|
11
|
8
|
8
|
11
|
21
|
15
|
24
|
25
|
29
|
26
|
12
|
14
|
16
|
20
|
19
|
14
|
19
|
21
|
18
|
9
|
12
|
16
|
9
|
22
|
|
|
2024/05
|
15
|
17
|
9
|
13
|
32
|
39
|
20
|
31
|
30
|
25
|
18
|
17
|
28
|
36
|
37
|
40
|
41
|
21
|
20
|
27
|
13
|
24
|
36
|
35
|
35
|
19
|
28
|
31
|
22
|
13
|
25
|
|
2024/04
|
43
|
46
|
34
|
14
|
15
|
13
|
16
|
19
|
30
|
37
|
33
|
36
|
51
|
58
|
65
|
56
|
32
|
21
|
18
|
21
|
34
|
46
|
27
|
36
|
29
|
37
|
25
|
36
|
48
|
12
|
|
|
2024/03
|
48
|
58
|
43
|
36
|
30
|
22
|
56
|
57
|
42
|
53
|
53
|
45
|
33
|
37
|
29
|
29
|
27
|
11
|
35
|
64
|
63
|
56
|
37
|
48
|
30
|
25
|
42
|
30
|
42
|
45
|
52
|
|
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