Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
31
O3
0.6
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
46
Excellent
Fri
29 Aug
49
Excellent
Sat
30 Aug
52
Good
Sun
31 Aug
52
Good
Mon
1 Sep
51
Good
Tue
2 Sep
46
Excellent
Wed
3 Sep
34
Excellent
Air quality in the last 12 months (Hengshan)
|
2025/06
|
45
|
25
|
17
|
14
|
19
|
20
|
17
|
26
|
26
|
17
|
16
|
18
|
29
|
27
|
18
|
19
|
19
|
23
|
26
|
21
|
14
|
14
|
23
|
35
|
42
|
44
|
36
|
48
|
27
|
26
|
|
|
2025/05
|
32
|
29
|
23
|
21
|
17
|
29
|
33
|
34
|
34
|
17
|
37
|
43
|
46
|
37
|
19
|
38
|
30
|
15
|
19
|
26
|
26
|
16
|
17
|
25
|
19
|
21
|
27
|
36
|
40
|
43
|
50
|
|
2025/04
|
83
|
68
|
50
|
53
|
54
|
18
|
26
|
57
|
58
|
61
|
145
|
88
|
43
|
28
|
22
|
26
|
50
|
45
|
33
|
56
|
89
|
25
|
36
|
32
|
37
|
15
|
31
|
51
|
39
|
38
|
|
|
2025/03
|
25
|
17
|
26
|
42
|
52
|
38
|
33
|
64
|
70
|
70
|
78
|
84
|
21
|
23
|
19
|
24
|
32
|
32
|
40
|
65
|
86
|
11
|
46
|
56
|
91
|
76
|
26
|
15
|
25
|
21
|
43
|
|
2025/02
|
50
|
88
|
71
|
33
|
20
|
18
|
33
|
26
|
23
|
32
|
46
|
65
|
27
|
25
|
41
|
42
|
26
|
19
|
18
|
23
|
22
|
21
|
17
|
25
|
52
|
28
|
48
|
67
|
|||
|
2025/01
|
57
|
41
|
30
|
35
|
76
|
70
|
65
|
56
|
34
|
34
|
54
|
80
|
69
|
52
|
37
|
50
|
47
|
97
|
103
|
102
|
137
|
141
|
103
|
75
|
72
|
78
|
66
|
63
|
57
|
42
|
34
|
|
2024/12
|
29
|
22
|
25
|
18
|
15
|
23
|
17
|
23
|
36
|
45
|
24
|
28
|
25
|
31
|
23
|
25
|
27
|
22
|
25
|
51
|
46
|
42
|
36
|
28
|
53
|
29
|
21
|
28
|
41
|
75
|
76
|
|
2024/11
|
54
|
43
|
49
|
37
|
38
|
20
|
45
|
76
|
96
|
68
|
60
|
119
|
162
|
107
|
80
|
76
|
17
|
19
|
46
|
52
|
68
|
33
|
30
|
50
|
61
|
24
|
30
|
44
|
29
|
21
|
|
|
2024/10
|
11
|
19
|
41
|
43
|
43
|
41
|
27
|
44
|
49
|
39
|
29
|
33
|
42
|
48
|
19
|
31
|
44
|
47
|
29
|
35
|
40
|
32
|
30
|
37
|
51
|
43
|
25
|
42
|
52
|
49
|
60
|
|
2024/09
|
25
|
13
|
23
|
41
|
10
|
19
|
22
|
30
|
37
|
16
|
22
|
28
|
24
|
21
|
22
|
38
|
21
|
24
|
32
|
16
|
23
|
29
|
39
|
37
|
30
|
18
|
35
|
38
|
41
|
26
|
|
|
2024/08
|
16
|
16
|
17
|
18
|
16
|
16
|
29
|
30
|
30
|
35
|
13
|
15
|
22
|
23
|
28
|
28
|
27
|
32
|
12
|
23
|
22
|
22
|
18
|
32
|
32
|
25
|
21
|
28
|
34
|
27
|
16
|
|
2024/07
|
65
|
67
|
51
|
24
|
34
|
50
|
47
|
60
|
56
|
45
|
63
|
43
|
32
|
43
|
54
|
50
|
30
|
17
|
23
|
37
|
33
|
27
|
31
|
22
|
25
|
13
|
14
|
13
|
16
|
19
|
26
|
|
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