Air Quality
Excellent
No health implications.
23
PM2.5
38
PM10
102
O3
0.4
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
63
Good
Mon
13 May
62
Good
Tue
14 May
65
Good
Wed
15 May
65
Good
Thu
16 May
63
Good
Fri
17 May
60
Good
Sat
18 May
59
Good
Air quality in the last 12 months (Kaiyuan)
|
2024/02
|
38
|
41
|
51
|
48
|
49
|
50
|
54
|
56
|
48
|
73
|
62
|
46
|
44
|
43
|
50
|
45
|
43
|
42
|
55
|
51
|
53
|
61
|
65
|
48
|
38
|
45
|
39
|
45
|
45
|
||
|
2024/01
|
44
|
38
|
44
|
29
|
26
|
28
|
31
|
33
|
39
|
40
|
30
|
26
|
31
|
33
|
29
|
23
|
22
|
34
|
34
|
42
|
41
|
30
|
49
|
36
|
39
|
30
|
33
|
35
|
28
|
27
|
28
|
|
2023/12
|
53
|
24
|
17
|
23
|
21
|
32
|
39
|
25
|
25
|
24
|
29
|
31
|
22
|
26
|
28
|
35
|
26
|
25
|
27
|
47
|
57
|
65
|
66
|
82
|
79
|
56
|
49
|
48
|
48
|
46
|
43
|
|
2023/11
|
36
|
28
|
31
|
29
|
30
|
39
|
21
|
18
|
19
|
22
|
25
|
23
|
26
|
15
|
16
|
27
|
47
|
47
|
53
|
58
|
36
|
40
|
47
|
46
|
42
|
49
|
54
|
51
|
49
|
55
|
|
|
2023/10
|
26
|
30
|
28
|
27
|
28
|
27
|
21
|
23
|
27
|
30
|
32
|
30
|
28
|
20
|
26
|
30
|
27
|
30
|
36
|
41
|
41
|
39
|
37
|
34
|
31
|
27
|
31
|
25
|
29
|
29
|
33
|
|
2023/09
|
41
|
38
|
39
|
37
|
31
|
30
|
31
|
42
|
35
|
31
|
33
|
27
|
26
|
31
|
36
|
37
|
27
|
26
|
25
|
22
|
24
|
25
|
29
|
31
|
33
|
33
|
26
|
23
|
21
|
26
|
|
|
2023/08
|
21
|
23
|
26
|
28
|
24
|
28
|
25
|
26
|
19
|
24
|
26
|
24
|
27
|
25
|
30
|
28
|
23
|
29
|
41
|
36
|
26
|
21
|
21
|
21
|
16
|
16
|
21
|
28
|
27
|
31
|
37
|
|
2023/07
|
22
|
22
|
22
|
21
|
22
|
15
|
19
|
19
|
18
|
18
|
18
|
18
|
15
|
22
|
41
|
47
|
47
|
41
|
29
|
21
|
25
|
22
|
25
|
22
|
23
|
24
|
27
|
28
|
34
|
31
|
28
|
|
2023/06
|
39
|
39
|
33
|
31
|
31
|
30
|
29
|
29
|
37
|
46
|
48
|
41
|
35
|
30
|
21
|
30
|
33
|
32
|
28
|
23
|
28
|
21
|
21
|
31
|
34
|
33
|
33
|
26
|
24
|
24
|
|
|
2023/05
|
34
|
41
|
36
|
35
|
35
|
38
|
41
|
45
|
38
|
38
|
36
|
33
|
40
|
45
|
32
|
32
|
46
|
45
|
46
|
54
|
51
|
46
|
49
|
54
|
45
|
33
|
37
|
40
|
33
|
37
|
39
|
|
2023/04
|
54
|
72
|
56
|
48
|
49
|
52
|
110
|
61
|
87
|
109
|
94
|
89
|
114
|
126
|
94
|
93
|
108
|
95
|
88
|
97
|
89
|
66
|
77
|
87
|
68
|
36
|
48
|
53
|
50
|
37
|
|
|
2023/03
|
79
|
71
|
75
|
53
|
61
|
79
|
85
|
81
|
64
|
84
|
83
|
51
|
34
|
58
|
68
|
50
|
49
|
62
|
62
|
57
|
38
|
37
|
39
|
45
|
71
|
89
|
69
|
55
|
55
|
52
|
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