Air Quality
Excellent
No health implications.
9
PM2.5
17
PM10
67
O3
0.3
CO
9
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
51
Good
Sat
20 Dec
53
Good
Sun
21 Dec
52
Good
Mon
22 Dec
49
Excellent
Tue
23 Dec
49
Excellent
Wed
24 Dec
51
Good
Thu
25 Dec
23
Excellent
Kaiyuan Air quality rank
Air quality in the last 12 months (Kaiyuan)
|
2025/11
|
16
|
11
|
12
|
20
|
15
|
15
|
19
|
20
|
12
|
15
|
17
|
23
|
30
|
27
|
33
|
36
|
40
|
21
|
25
|
40
|
55
|
51
|
33
|
40
|
50
|
55
|
52
|
52
|
52
|
44
|
|
|
2025/10
|
14
|
15
|
17
|
19
|
20
|
25
|
16
|
16
|
18
|
22
|
26
|
29
|
31
|
31
|
16
|
16
|
19
|
24
|
25
|
32
|
20
|
21
|
26
|
36
|
21
|
21
|
22
|
26
|
27
|
28
|
31
|
|
2025/09
|
20
|
22
|
23
|
24
|
24
|
28
|
27
|
29
|
24
|
18
|
18
|
16
|
17
|
17
|
22
|
25
|
23
|
24
|
23
|
24
|
28
|
30
|
21
|
17
|
27
|
18
|
15
|
22
|
21
|
15
|
|
|
2025/08
|
28
|
29
|
24
|
18
|
25
|
26
|
17
|
15
|
15
|
20
|
22
|
25
|
23
|
34
|
34
|
20
|
22
|
35
|
30
|
25
|
19
|
17
|
20
|
23
|
27
|
21
|
18
|
16
|
22
|
23
|
24
|
|
2025/07
|
17
|
18
|
18
|
19
|
21
|
25
|
26
|
19
|
22
|
22
|
28
|
29
|
30
|
26
|
24
|
28
|
22
|
27
|
27
|
29
|
31
|
19
|
17
|
14
|
16
|
20
|
26
|
31
|
33
|
36
|
22
|
|
2025/06
|
16
|
19
|
25
|
22
|
22
|
33
|
34
|
28
|
25
|
34
|
47
|
34
|
33
|
29
|
28
|
23
|
21
|
17
|
18
|
21
|
21
|
15
|
22
|
16
|
17
|
17
|
23
|
18
|
17
|
18
|
|
|
2025/05
|
42
|
36
|
27
|
25
|
30
|
32
|
37
|
41
|
45
|
35
|
25
|
29
|
31
|
33
|
22
|
22
|
23
|
23
|
28
|
21
|
31
|
31
|
48
|
36
|
29
|
17
|
18
|
17
|
17
|
18
|
15
|
|
2025/04
|
37
|
56
|
71
|
99
|
82
|
45
|
53
|
63
|
57
|
69
|
61
|
55
|
73
|
57
|
57
|
37
|
31
|
37
|
39
|
43
|
35
|
32
|
48
|
56
|
50
|
53
|
64
|
58
|
34
|
36
|
|
|
2025/03
|
45
|
49
|
65
|
65
|
72
|
69
|
43
|
47
|
46
|
41
|
55
|
53
|
53
|
61
|
66
|
47
|
43
|
28
|
42
|
56
|
61
|
73
|
70
|
45
|
53
|
54
|
64
|
93
|
89
|
43
|
43
|
|
2025/02
|
47
|
55
|
37
|
43
|
51
|
48
|
40
|
32
|
31
|
33
|
41
|
49
|
42
|
41
|
51
|
55
|
39
|
33
|
37
|
40
|
39
|
34
|
37
|
22
|
29
|
23
|
33
|
45
|
|||
|
2025/01
|
46
|
45
|
64
|
75
|
67
|
75
|
73
|
77
|
64
|
47
|
43
|
58
|
54
|
59
|
78
|
79
|
74
|
77
|
60
|
57
|
79
|
83
|
53
|
37
|
41
|
39
|
47
|
57
|
60
|
40
|
43
|
|
2024/12
|
37
|
43
|
37
|
38
|
34
|
28
|
28
|
28
|
26
|
32
|
39
|
35
|
33
|
43
|
74
|
48
|
34
|
48
|
65
|
61
|
60
|
56
|
59
|
58
|
67
|
78
|
73
|
54
|
38
|
42
|
42
|
|
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