Air Quality
Excellent
No health implications.
19
PM2.5
28
PM10
25
O3
0.7
CO
5
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Apr
47
Excellent
Wed
15 Apr
50
Excellent
Thu
16 Apr
45
Excellent
Fri
17 Apr
48
Excellent
Sat
18 Apr
64
Good
Sun
19 Apr
49
Excellent
Mon
20 Apr
41
Excellent
Air quality in the last 12 months (Kaihua)
|
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
|
|
|
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
|
|
|
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