Air Quality
Excellent
No health implications.
13
PM2.5
18
PM10
39
O3
0.7
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
49
Excellent
Wed
13 May
52
Good
Thu
14 May
52
Good
Fri
15 May
44
Excellent
Sat
16 May
42
Excellent
Sun
17 May
37
Excellent
Mon
18 May
49
Excellent
Air quality in the last 12 months (Huishui)
|
2026/04
|
24
|
39
|
32
|
33
|
42
|
52
|
38
|
59
|
41
|
41
|
50
|
46
|
55
|
44
|
52
|
37
|
31
|
33
|
39
|
30
|
31
|
27
|
30
|
36
|
45
|
44
|
34
|
24
|
30
|
36
|
|
|
2026/03
|
43
|
29
|
25
|
28
|
38
|
48
|
33
|
14
|
14
|
25
|
37
|
41
|
35
|
53
|
23
|
20
|
35
|
23
|
27
|
21
|
36
|
27
|
27
|
29
|
36
|
37
|
36
|
27
|
31
|
39
|
26
|
|
2026/02
|
35
|
39
|
37
|
38
|
45
|
51
|
34
|
37
|
18
|
26
|
34
|
29
|
50
|
47
|
34
|
68
|
56
|
43
|
28
|
45
|
36
|
38
|
34
|
59
|
29
|
40
|
20
|
35
|
|||
|
2026/01
|
28
|
28
|
18
|
26
|
34
|
45
|
62
|
58
|
76
|
78
|
76
|
58
|
76
|
81
|
99
|
86
|
106
|
52
|
46
|
30
|
24
|
34
|
52
|
56
|
35
|
36
|
52
|
43
|
41
|
32
|
28
|
|
2025/12
|
76
|
76
|
78
|
63
|
65
|
56
|
41
|
54
|
48
|
45
|
55
|
52
|
41
|
51
|
50
|
63
|
59
|
58
|
37
|
41
|
49
|
34
|
32
|
28
|
46
|
57
|
78
|
64
|
46
|
44
|
40
|
|
2025/11
|
31
|
28
|
16
|
23
|
21
|
18
|
26
|
19
|
16
|
21
|
28
|
28
|
44
|
47
|
45
|
34
|
45
|
26
|
29
|
39
|
49
|
49
|
65
|
54
|
57
|
58
|
66
|
50
|
37
|
62
|
|
|
2025/10
|
18
|
21
|
27
|
29
|
27
|
27
|
20
|
22
|
25
|
27
|
33
|
33
|
43
|
32
|
16
|
17
|
26
|
25
|
22
|
27
|
23
|
27
|
36
|
49
|
37
|
34
|
30
|
40
|
41
|
29
|
32
|
|
2025/09
|
21
|
25
|
26
|
25
|
30
|
34
|
35
|
34
|
29
|
22
|
23
|
22
|
22
|
24
|
24
|
20
|
20
|
20
|
26
|
33
|
28
|
29
|
24
|
20
|
14
|
19
|
22
|
24
|
23
|
18
|
|
|
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
|
|
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