Air Quality
Excellent
No health implications.
30
PM2.5
50
PM10
63
O3
0.5
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
46
Excellent
Sat
10 May
40
Excellent
Sun
11 May
57
Good
Mon
12 May
63
Good
Tue
13 May
59
Good
Wed
14 May
39
Excellent
Thu
15 May
47
Excellent
Air quality in the last 12 months (Kaiyuan)
|
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
|
|
2024/11
|
34
|
47
|
55
|
53
|
49
|
59
|
47
|
52
|
53
|
37
|
37
|
35
|
34
|
36
|
32
|
31
|
41
|
48
|
49
|
43
|
43
|
41
|
40
|
43
|
40
|
43
|
25
|
31
|
56
|
54
|
|
|
2024/10
|
29
|
23
|
30
|
28
|
33
|
37
|
44
|
43
|
38
|
35
|
36
|
41
|
41
|
34
|
32
|
20
|
19
|
26
|
36
|
28
|
29
|
30
|
29
|
41
|
34
|
39
|
45
|
55
|
47
|
34
|
31
|
|
2024/09
|
28
|
21
|
20
|
21
|
25
|
29
|
29
|
14
|
13
|
10
|
16
|
19
|
20
|
25
|
27
|
24
|
20
|
21
|
27
|
34
|
28
|
21
|
25
|
32
|
36
|
41
|
40
|
29
|
25
|
23
|
|
|
2024/08
|
24
|
20
|
15
|
14
|
14
|
13
|
13
|
13
|
12
|
15
|
32
|
45
|
25
|
31
|
31
|
30
|
30
|
33
|
31
|
37
|
23
|
16
|
13
|
21
|
17
|
14
|
17
|
22
|
22
|
21
|
22
|
|
2024/07
|
12
|
14
|
14
|
10
|
13
|
14
|
13
|
14
|
14
|
12
|
10
|
12
|
14
|
13
|
16
|
14
|
14
|
14
|
11
|
12
|
10
|
14
|
20
|
17
|
17
|
22
|
23
|
22
|
17
|
15
|
19
|
|
2024/06
|
24
|
20
|
19
|
24
|
15
|
13
|
12
|
13
|
14
|
17
|
13
|
15
|
11
|
14
|
15
|
13
|
21
|
24
|
27
|
24
|
20
|
18
|
19
|
21
|
23
|
12
|
12
|
13
|
11
|
11
|
|
|
2024/05
|
65
|
53
|
33
|
51
|
55
|
37
|
35
|
31
|
21
|
19
|
27
|
31
|
23
|
21
|
28
|
15
|
22
|
25
|
26
|
22
|
35
|
29
|
27
|
24
|
21
|
11
|
11
|
14
|
16
|
26
|
28
|
|
2024/04
|
51
|
54
|
63
|
71
|
71
|
86
|
82
|
62
|
54
|
59
|
63
|
68
|
73
|
54
|
76
|
89
|
82
|
62
|
55
|
48
|
46
|
54
|
54
|
53
|
42
|
49
|
57
|
63
|
64
|
59
|
|
|
2024/03
|
34
|
39
|
51
|
54
|
39
|
41
|
76
|
67
|
55
|
49
|
47
|
54
|
59
|
61
|
66
|
76
|
93
|
78
|
63
|
49
|
45
|
38
|
34
|
46
|
48
|
57
|
59
|
63
|
51
|
72
|
70
|
|
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