Air Quality
Excellent
No health implications.
2
PM2.5
8
PM10
32
O3
0.8
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
55
Good
Thu
19 Mar
48
Excellent
Fri
20 Mar
47
Excellent
Sat
21 Mar
46
Excellent
Sun
22 Mar
39
Excellent
Mon
23 Mar
38
Excellent
Tue
24 Mar
30
Excellent
Air quality in the last 12 months (Kaihua)
|
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
|
|
|
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
|
|
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