Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
11
O3
0.4
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
55
Good
Tue
14 Jul
52
Good
Wed
15 Jul
48
Excellent
Thu
16 Jul
52
Good
Fri
17 Jul
54
Good
Sat
18 Jul
33
Excellent
Sun
19 Jul
37
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