Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
18
O3
0.4
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jul
60
Good
Sun
26 Jul
53
Good
Mon
27 Jul
57
Good
Tue
28 Jul
58
Good
Wed
29 Jul
58
Good
Thu
30 Jul
30
Excellent
Fri
31 Jul
16
Excellent
Air quality in the last 12 months (Hengshan)
|
2026/06
|
41
|
41
|
25
|
19
|
24
|
19
|
17
|
15
|
21
|
22
|
25
|
30
|
29
|
24
|
22
|
21
|
27
|
31
|
33
|
22
|
23
|
23
|
31
|
38
|
39
|
34
|
37
|
22
|
26
|
36
|
|
|
2026/05
|
33
|
39
|
33
|
36
|
60
|
28
|
26
|
29
|
31
|
34
|
37
|
42
|
49
|
44
|
50
|
38
|
33
|
28
|
25
|
33
|
43
|
41
|
36
|
37
|
46
|
30
|
25
|
21
|
25
|
24
|
34
|
|
2026/04
|
87
|
196
|
164
|
56
|
48
|
39
|
26
|
29
|
74
|
44
|
30
|
35
|
28
|
31
|
39
|
53
|
61
|
32
|
37
|
55
|
51
|
25
|
26
|
37
|
27
|
28
|
30
|
27
|
39
|
47
|
|
|
2026/03
|
36
|
43
|
66
|
75
|
48
|
47
|
35
|
31
|
33
|
36
|
57
|
56
|
69
|
64
|
66
|
104
|
109
|
151
|
45
|
50
|
117
|
106
|
86
|
107
|
115
|
91
|
190
|
165
|
177
|
54
|
57
|
|
2026/02
|
36
|
36
|
45
|
64
|
42
|
34
|
23
|
22
|
50
|
93
|
54
|
33
|
77
|
62
|
52
|
35
|
58
|
20
|
37
|
66
|
97
|
74
|
98
|
61
|
62
|
56
|
41
|
40
|
|||
|
2026/01
|
20
|
25
|
31
|
32
|
26
|
32
|
43
|
18
|
65
|
62
|
31
|
54
|
54
|
29
|
58
|
28
|
32
|
43
|
44
|
27
|
29
|
24
|
34
|
23
|
22
|
24
|
32
|
44
|
18
|
24
|
28
|
|
2025/12
|
26
|
34
|
20
|
21
|
30
|
44
|
32
|
39
|
33
|
32
|
30
|
28
|
45
|
65
|
58
|
39
|
21
|
59
|
78
|
40
|
26
|
49
|
60
|
41
|
40
|
20
|
31
|
63
|
48
|
25
|
24
|
|
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
|
|
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