Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
*
PM2.5
52
PM10
31
O3
0.5
CO
8
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Dec
48
Excellent
Thu
18 Dec
52
Good
Fri
19 Dec
50
Excellent
Sat
20 Dec
51
Good
Sun
21 Dec
46
Excellent
Mon
22 Dec
47
Excellent
Tue
23 Dec
29
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