Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
67
O3
0.7
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
55
Good
Wed
23 Apr
81
Good
Thu
24 Apr
74
Good
Fri
25 Apr
67
Good
Sat
26 Apr
64
Good
Sun
27 Apr
68
Good
Mon
28 Apr
49
Excellent
Air quality in the last 12 months (Kaihua)
|
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
|
|
|
2024/05
|
14
|
37
|
46
|
28
|
15
|
22
|
35
|
51
|
53
|
55
|
44
|
41
|
58
|
45
|
51
|
50
|
48
|
49
|
50
|
46
|
29
|
29
|
34
|
27
|
33
|
25
|
24
|
18
|
32
|
43
|
32
|
|
2024/04
|
31
|
21
|
20
|
21
|
38
|
35
|
23
|
19
|
32
|
50
|
53
|
34
|
40
|
24
|
43
|
51
|
22
|
21
|
35
|
25
|
26
|
18
|
34
|
58
|
53
|
39
|
38
|
44
|
25
|
16
|
|
|
2024/03
|
37
|
49
|
38
|
42
|
31
|
22
|
53
|
51
|
58
|
62
|
59
|
63
|
82
|
67
|
67
|
58
|
54
|
44
|
44
|
57
|
46
|
47
|
51
|
41
|
32
|
19
|
40
|
28
|
41
|
44
|
31
|
|
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