Air Quality
Excellent
No health implications.
17
PM2.5
34
PM10
54
O3
0.3
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
34
Excellent
Sun
7 Sep
36
Excellent
Mon
8 Sep
34
Excellent
Tue
9 Sep
34
Excellent
Wed
10 Sep
31
Excellent
Thu
11 Sep
34
Excellent
Fri
12 Sep
43
Excellent
Air quality in the last 12 months (Kaiyuan)
|
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
|
|
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
|
|
|
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