Air Quality
Excellent
No health implications.
16
PM2.5
25
PM10
35
O3
0.9
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
25
Excellent
Mon
20 Oct
26
Excellent
Tue
21 Oct
27
Excellent
Wed
22 Oct
33
Excellent
Thu
23 Oct
33
Excellent
Fri
24 Oct
41
Excellent
Sat
25 Oct
27
Excellent
Air quality in the last 12 months (Huishui)
|
2025/08
|
30
|
31
|
31
|
33
|
37
|
27
|
22
|
24
|
26
|
29
|
28
|
30
|
34
|
33
|
23
|
18
|
22
|
24
|
17
|
17
|
21
|
19
|
24
|
23
|
24
|
24
|
23
|
22
|
26
|
30
|
30
|
|
2025/07
|
17
|
19
|
17
|
19
|
22
|
26
|
28
|
29
|
29
|
29
|
27
|
30
|
28
|
24
|
24
|
26
|
25
|
29
|
33
|
33
|
20
|
20
|
15
|
19
|
20
|
24
|
29
|
34
|
30
|
32
|
28
|
|
2025/06
|
28
|
17
|
30
|
32
|
30
|
37
|
43
|
46
|
44
|
35
|
36
|
37
|
25
|
24
|
31
|
29
|
25
|
22
|
19
|
28
|
37
|
23
|
30
|
16
|
20
|
18
|
23
|
17
|
19
|
17
|
|
|
2025/05
|
51
|
59
|
44
|
28
|
33
|
34
|
22
|
39
|
34
|
23
|
44
|
37
|
36
|
41
|
46
|
45
|
35
|
47
|
58
|
26
|
32
|
33
|
38
|
60
|
38
|
25
|
16
|
18
|
26
|
25
|
23
|
|
2025/04
|
44
|
51
|
61
|
69
|
59
|
66
|
66
|
48
|
61
|
56
|
60
|
148
|
289
|
107
|
79
|
71
|
70
|
61
|
40
|
41
|
44
|
32
|
47
|
31
|
49
|
35
|
29
|
37
|
41
|
25
|
|
|
2025/03
|
41
|
37
|
69
|
45
|
30
|
33
|
35
|
40
|
29
|
24
|
38
|
48
|
29
|
28
|
25
|
32
|
44
|
30
|
40
|
46
|
56
|
64
|
67
|
60
|
57
|
62
|
68
|
82
|
25
|
26
|
46
|
|
2025/02
|
26
|
20
|
36
|
40
|
46
|
23
|
28
|
50
|
62
|
39
|
36
|
38
|
33
|
20
|
33
|
43
|
36
|
39
|
21
|
20
|
20
|
18
|
22
|
22
|
27
|
36
|
28
|
37
|
|||
|
2025/01
|
48
|
76
|
67
|
75
|
65
|
62
|
70
|
36
|
27
|
40
|
58
|
59
|
43
|
76
|
71
|
85
|
70
|
75
|
70
|
80
|
80
|
81
|
62
|
57
|
26
|
28
|
51
|
49
|
61
|
51
|
45
|
|
2024/12
|
50
|
62
|
58
|
48
|
25
|
20
|
22
|
44
|
21
|
17
|
23
|
36
|
44
|
61
|
61
|
59
|
55
|
52
|
65
|
70
|
100
|
93
|
69
|
71
|
67
|
45
|
48
|
70
|
59
|
48
|
48
|
|
2024/11
|
49
|
34
|
46
|
59
|
52
|
58
|
54
|
52
|
49
|
46
|
38
|
40
|
43
|
51
|
48
|
48
|
51
|
29
|
23
|
21
|
22
|
30
|
32
|
37
|
24
|
24
|
34
|
38
|
31
|
33
|
|
|
2024/10
|
8
|
16
|
39
|
43
|
44
|
57
|
36
|
31
|
31
|
52
|
48
|
46
|
29
|
25
|
33
|
31
|
19
|
25
|
29
|
20
|
28
|
21
|
36
|
33
|
31
|
33
|
53
|
42
|
33
|
31
|
43
|
|
2024/09
|
22
|
17
|
12
|
16
|
32
|
35
|
29
|
15
|
15
|
20
|
21
|
26
|
25
|
32
|
27
|
30
|
19
|
27
|
38
|
41
|
33
|
30
|
39
|
44
|
43
|
42
|
42
|
37
|
24
|
14
|
|
|
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