Air Quality
Excellent
No health implications.
12
PM2.5
16
PM10
49
O3
0.5
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jan
85
Good
Thu
15 Jan
65
Good
Fri
16 Jan
63
Good
Sat
17 Jan
65
Good
Sun
18 Jan
82
Good
Mon
19 Jan
57
Good
Tue
20 Jan
22
Excellent
Hengshan Air quality rank
Air quality in the last 12 months (Hengshan)
|
2025/11
|
91
|
90
|
38
|
62
|
129
|
91
|
20
|
48
|
32
|
24
|
34
|
53
|
55
|
46
|
69
|
66
|
38
|
38
|
62
|
36
|
105
|
90
|
56
|
129
|
35
|
59
|
66
|
51
|
63
|
51
|
|
|
2025/10
|
25
|
38
|
47
|
40
|
19
|
32
|
43
|
33
|
31
|
37
|
41
|
34
|
47
|
61
|
53
|
69
|
55
|
23
|
17
|
21
|
28
|
40
|
51
|
51
|
103
|
90
|
65
|
42
|
155
|
43
|
64
|
|
2025/09
|
33
|
25
|
37
|
38
|
38
|
27
|
20
|
25
|
23
|
23
|
21
|
38
|
45
|
35
|
17
|
18
|
14
|
19
|
25
|
30
|
26
|
27
|
38
|
34
|
20
|
12
|
22
|
33
|
32
|
46
|
|
|
2025/08
|
25
|
20
|
24
|
13
|
18
|
18
|
16
|
17
|
20
|
15
|
24
|
40
|
34
|
15
|
26
|
21
|
16
|
22
|
21
|
18
|
24
|
12
|
19
|
23
|
19
|
12
|
19
|
28
|
15
|
26
|
34
|
|
2025/07
|
28
|
19
|
19
|
24
|
34
|
13
|
21
|
28
|
31
|
29
|
31
|
26
|
21
|
16
|
18
|
15
|
19
|
18
|
18
|
21
|
17
|
19
|
23
|
22
|
22
|
13
|
20
|
19
|
20
|
15
|
16
|
|
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
|
|
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