Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
81
O3
0.4
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
40
Excellent
Mon
22 Jun
44
Excellent
Tue
23 Jun
45
Excellent
Wed
24 Jun
39
Excellent
Thu
25 Jun
40
Excellent
Fri
26 Jun
45
Excellent
Sat
27 Jun
47
Excellent
Air quality in the last 12 months (Kaihua)
|
2026/05
|
30
|
34
|
28
|
31
|
34
|
38
|
38
|
29
|
31
|
31
|
30
|
39
|
50
|
26
|
27
|
31
|
32
|
34
|
38
|
22
|
23
|
31
|
15
|
21
|
22
|
27
|
26
|
33
|
46
|
59
|
49
|
|
2026/04
|
31
|
40
|
24
|
35
|
63
|
53
|
52
|
33
|
40
|
30
|
35
|
28
|
41
|
30
|
35
|
46
|
27
|
52
|
48
|
55
|
41
|
15
|
18
|
24
|
29
|
41
|
50
|
48
|
25
|
28
|
|
|
2026/03
|
19
|
15
|
27
|
70
|
51
|
51
|
66
|
56
|
58
|
49
|
48
|
47
|
52
|
52
|
59
|
76
|
56
|
38
|
19
|
44
|
45
|
38
|
24
|
23
|
33
|
44
|
30
|
35
|
38
|
32
|
23
|
|
2026/02
|
31
|
44
|
63
|
63
|
76
|
34
|
19
|
45
|
39
|
43
|
49
|
60
|
58
|
44
|
35
|
21
|
55
|
48
|
48
|
40
|
36
|
50
|
112
|
51
|
19
|
21
|
14
|
17
|
|||
|
2026/01
|
22
|
29
|
60
|
73
|
52
|
53
|
51
|
47
|
49
|
52
|
57
|
59
|
57
|
52
|
52
|
62
|
88
|
97
|
61
|
14
|
40
|
56
|
67
|
69
|
77
|
81
|
23
|
67
|
74
|
36
|
13
|
|
2025/12
|
61
|
108
|
56
|
58
|
59
|
64
|
71
|
79
|
69
|
61
|
64
|
76
|
39
|
41
|
49
|
54
|
67
|
125
|
96
|
75
|
57
|
44
|
53
|
34
|
41
|
56
|
51
|
52
|
54
|
75
|
56
|
|
2025/11
|
42
|
51
|
60
|
41
|
33
|
35
|
32
|
41
|
12
|
42
|
39
|
28
|
45
|
47
|
68
|
64
|
50
|
30
|
36
|
39
|
47
|
56
|
58
|
55
|
70
|
80
|
85
|
85
|
63
|
55
|
|
|
2025/10
|
37
|
37
|
39
|
35
|
34
|
34
|
41
|
47
|
39
|
38
|
41
|
49
|
49
|
33
|
39
|
32
|
34
|
26
|
16
|
25
|
26
|
29
|
33
|
35
|
43
|
50
|
37
|
51
|
43
|
34
|
29
|
|
2025/09
|
26
|
25
|
28
|
32
|
34
|
28
|
26
|
26
|
21
|
19
|
21
|
23
|
24
|
22
|
28
|
33
|
29
|
28
|
23
|
23
|
22
|
29
|
29
|
18
|
24
|
24
|
33
|
36
|
39
|
37
|
|
|
2025/08
|
31
|
36
|
29
|
26
|
20
|
14
|
16
|
20
|
25
|
34
|
34
|
27
|
16
|
14
|
14
|
17
|
19
|
21
|
23
|
23
|
22
|
20
|
20
|
29
|
27
|
25
|
23
|
18
|
20
|
26
|
29
|
|
2025/07
|
15
|
20
|
24
|
30
|
26
|
18
|
17
|
17
|
17
|
30
|
28
|
16
|
16
|
23
|
27
|
31
|
30
|
27
|
18
|
13
|
12
|
14
|
17
|
18
|
23
|
14
|
15
|
14
|
21
|
20
|
19
|
|
2025/06
|
29
|
17
|
19
|
35
|
32
|
29
|
34
|
31
|
19
|
20
|
15
|
21
|
19
|
18
|
17
|
24
|
31
|
20
|
19
|
18
|
17
|
17
|
13
|
13
|
23
|
22
|
23
|
18
|
21
|
26
|
|
|
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