Air Quality
Excellent
No health implications.
13
PM2.5
25
PM10
75
O3
0.7
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
40
Excellent
Sat
18 May
38
Excellent
Sun
19 May
43
Excellent
Mon
20 May
60
Good
Tue
21 May
60
Good
Wed
22 May
64
Good
Thu
23 May
66
Good
Air quality in the last 12 months (Huishui)
|
2024/02
|
47
|
32
|
26
|
27
|
21
|
19
|
25
|
29
|
56
|
149
|
60
|
32
|
42
|
41
|
61
|
39
|
42
|
38
|
42
|
53
|
55
|
25
|
18
|
21
|
19
|
22
|
32
|
27
|
32
|
||
|
2024/01
|
49
|
25
|
28
|
29
|
61
|
62
|
31
|
26
|
52
|
46
|
40
|
46
|
18
|
20
|
24
|
24
|
21
|
22
|
26
|
25
|
24
|
25
|
38
|
41
|
48
|
49
|
44
|
45
|
44
|
20
|
21
|
|
2023/12
|
62
|
36
|
27
|
31
|
45
|
49
|
56
|
42
|
41
|
33
|
51
|
32
|
25
|
32
|
35
|
37
|
39
|
21
|
37
|
39
|
46
|
56
|
71
|
73
|
79
|
51
|
64
|
61
|
72
|
71
|
63
|
|
2023/11
|
45
|
35
|
50
|
41
|
38
|
38
|
27
|
21
|
30
|
40
|
32
|
15
|
23
|
34
|
17
|
36
|
58
|
54
|
61
|
54
|
37
|
57
|
74
|
68
|
53
|
38
|
43
|
45
|
58
|
56
|
|
|
2023/10
|
23
|
26
|
28
|
31
|
26
|
16
|
19
|
20
|
24
|
26
|
31
|
28
|
18
|
22
|
36
|
40
|
38
|
35
|
37
|
30
|
36
|
38
|
31
|
25
|
37
|
47
|
26
|
31
|
32
|
40
|
43
|
|
2023/09
|
38
|
41
|
36
|
24
|
32
|
36
|
31
|
30
|
26
|
29
|
32
|
21
|
23
|
32
|
35
|
30
|
20
|
18
|
18
|
20
|
21
|
23
|
25
|
28
|
29
|
30
|
27
|
33
|
26
|
27
|
|
|
2023/08
|
22
|
22
|
19
|
22
|
26
|
22
|
21
|
19
|
19
|
22
|
25
|
25
|
29
|
29
|
23
|
27
|
26
|
32
|
42
|
42
|
25
|
30
|
24
|
18
|
16
|
17
|
20
|
25
|
32
|
30
|
34
|
|
2023/07
|
23
|
24
|
22
|
23
|
25
|
21
|
21
|
26
|
24
|
22
|
24
|
27
|
26
|
27
|
49
|
45
|
44
|
38
|
21
|
22
|
21
|
26
|
25
|
28
|
30
|
30
|
35
|
35
|
28
|
27
|
25
|
|
2023/06
|
31
|
39
|
33
|
33
|
20
|
31
|
35
|
35
|
38
|
39
|
43
|
39
|
40
|
35
|
33
|
25
|
26
|
29
|
22
|
34
|
19
|
24
|
28
|
29
|
30
|
29
|
20
|
19
|
21
|
27
|
|
|
2023/05
|
58
|
50
|
46
|
40
|
44
|
37
|
24
|
27
|
18
|
21
|
25
|
34
|
54
|
65
|
46
|
35
|
54
|
50
|
46
|
44
|
59
|
42
|
34
|
41
|
37
|
35
|
37
|
36
|
28
|
32
|
39
|
|
2023/04
|
44
|
55
|
57
|
53
|
42
|
23
|
31
|
59
|
65
|
36
|
56
|
54
|
64
|
43
|
45
|
48
|
52
|
59
|
37
|
39
|
59
|
96
|
69
|
25
|
29
|
38
|
40
|
52
|
47
|
59
|
|
|
2023/03
|
80
|
62
|
41
|
47
|
50
|
64
|
45
|
40
|
44
|
47
|
65
|
52
|
36
|
56
|
62
|
42
|
53
|
35
|
27
|
31
|
50
|
51
|
39
|
26
|
29
|
36
|
36
|
44
|
32
|
48
|
51
|
|
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