Air Quality
Excellent
No health implications.
31
PM2.5
45
PM10
23
O3
0.5
CO
8
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jan
52
Good
Sun
11 Jan
63
Good
Mon
12 Jan
63
Good
Tue
13 Jan
57
Good
Wed
14 Jan
58
Good
Thu
15 Jan
64
Good
Fri
16 Jan
46
Excellent
Air quality in the last 12 months (Kaihua)
|
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
|
|
|
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
|
|
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