Air Quality
Excellent
No health implications.
7
PM2.5
18
PM10
60
O3
0.4
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jun
71
Good
Thu
19 Jun
63
Good
Fri
20 Jun
59
Good
Sat
21 Jun
57
Good
Sun
22 Jun
49
Excellent
Mon
23 Jun
42
Excellent
Tue
24 Jun
23
Excellent
Air quality in the last 12 months (Kaihua)
|
2025/05
|
43
|
47
|
52
|
54
|
28
|
54
|
104
|
49
|
18
|
41
|
37
|
44
|
42
|
43
|
61
|
38
|
23
|
39
|
36
|
20
|
15
|
28
|
11
|
45
|
59
|
59
|
60
|
44
|
21
|
29
|
39
|
|
2025/04
|
36
|
41
|
60
|
66
|
56
|
56
|
56
|
55
|
58
|
46
|
49
|
105
|
141
|
95
|
56
|
45
|
56
|
58
|
49
|
50
|
52
|
15
|
39
|
31
|
25
|
38
|
29
|
34
|
51
|
54
|
|
|
2025/03
|
40
|
43
|
32
|
14
|
31
|
40
|
54
|
54
|
70
|
81
|
79
|
51
|
15
|
28
|
14
|
35
|
35
|
38
|
44
|
32
|
42
|
43
|
51
|
57
|
59
|
66
|
58
|
65
|
38
|
55
|
40
|
|
2025/02
|
16
|
14
|
51
|
47
|
41
|
49
|
61
|
41
|
34
|
45
|
55
|
56
|
100
|
105
|
74
|
43
|
55
|
28
|
39
|
17
|
16
|
22
|
30
|
54
|
76
|
55
|
48
|
37
|
|||
|
2025/01
|
84
|
75
|
80
|
77
|
79
|
73
|
78
|
85
|
70
|
34
|
44
|
57
|
58
|
60
|
81
|
50
|
51
|
58
|
53
|
57
|
73
|
69
|
62
|
59
|
45
|
24
|
39
|
66
|
166
|
62
|
48
|
|
2024/12
|
46
|
51
|
67
|
87
|
53
|
40
|
82
|
78
|
51
|
56
|
20
|
61
|
69
|
78
|
60
|
52
|
63
|
66
|
50
|
49
|
66
|
68
|
61
|
69
|
79
|
100
|
132
|
92
|
64
|
69
|
71
|
|
2024/11
|
13
|
28
|
41
|
58
|
68
|
48
|
32
|
38
|
38
|
39
|
40
|
46
|
45
|
46
|
24
|
23
|
22
|
26
|
35
|
31
|
39
|
46
|
75
|
45
|
32
|
27
|
41
|
45
|
47
|
47
|
|
|
2024/10
|
23
|
28
|
28
|
29
|
33
|
30
|
16
|
21
|
42
|
45
|
57
|
58
|
47
|
42
|
47
|
14
|
26
|
33
|
22
|
23
|
40
|
41
|
36
|
45
|
37
|
36
|
18
|
26
|
57
|
46
|
36
|
|
2024/09
|
34
|
40
|
48
|
39
|
32
|
32
|
40
|
37
|
30
|
36
|
27
|
27
|
32
|
34
|
33
|
27
|
17
|
22
|
26
|
31
|
15
|
24
|
23
|
26
|
36
|
48
|
26
|
30
|
41
|
37
|
|
|
2024/08
|
20
|
27
|
31
|
32
|
29
|
30
|
33
|
33
|
36
|
39
|
40
|
28
|
20
|
21
|
28
|
39
|
41
|
38
|
24
|
21
|
20
|
34
|
36
|
38
|
40
|
49
|
45
|
24
|
37
|
35
|
31
|
|
2024/07
|
19
|
22
|
20
|
24
|
23
|
24
|
24
|
26
|
28
|
31
|
28
|
30
|
28
|
27
|
34
|
33
|
28
|
23
|
23
|
26
|
30
|
28
|
30
|
23
|
20
|
13
|
12
|
16
|
17
|
20
|
20
|
|
2024/06
|
11
|
20
|
26
|
47
|
31
|
16
|
21
|
26
|
33
|
22
|
16
|
18
|
27
|
25
|
24
|
28
|
18
|
22
|
24
|
23
|
27
|
28
|
27
|
17
|
11
|
18
|
11
|
18
|
20
|
25
|
|
|
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