Air Quality
Excellent
No health implications.
34
PM2.5
45
PM10
26
O3
0.7
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Feb
51
Good
Thu
13 Feb
65
Good
Fri
14 Feb
41
Excellent
Sat
15 Feb
50
Excellent
Sun
16 Feb
53
Good
Mon
17 Feb
19
Excellent
Tue
18 Feb
24
Excellent
Air quality in the last 12 months (Kaiyang)
|
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
|
|
2024/02
|
36
|
18
|
16
|
24
|
21
|
24
|
30
|
48
|
65
|
173
|
69
|
46
|
48
|
55
|
62
|
39
|
42
|
45
|
55
|
57
|
41
|
16
|
19
|
22
|
16
|
25
|
43
|
44
|
46
|
||
|
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