Air Quality
Excellent
No health implications.
19
PM2.5
48
PM10
70
O3
0.5
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Feb
64
Good
Sat
7 Feb
57
Good
Sun
8 Feb
67
Good
Mon
9 Feb
72
Good
Tue
10 Feb
80
Good
Wed
11 Feb
69
Good
Thu
12 Feb
40
Excellent
Air quality in the last 12 months (Hengshan)
|
2026/01
|
46
|
38
|
47
|
38
|
26
|
33
|
54
|
57
|
154
|
71
|
48
|
76
|
72
|
168
|
84
|
56
|
66
|
49
|
26
|
21
|
46
|
65
|
68
|
56
|
190
|
122
|
99
|
93
|
93
|
80
|
70
|
|
2025/12
|
67
|
31
|
44
|
50
|
57
|
58
|
74
|
57
|
61
|
64
|
62
|
67
|
101
|
101
|
78
|
68
|
51
|
56
|
47
|
63
|
54
|
62
|
139
|
66
|
39
|
52
|
52
|
48
|
50
|
45
|
43
|
|
2025/11
|
43
|
40
|
48
|
54
|
66
|
77
|
44
|
79
|
85
|
82
|
65
|
50
|
46
|
59
|
65
|
49
|
19
|
24
|
42
|
41
|
53
|
62
|
87
|
157
|
62
|
267
|
174
|
100
|
88
|
86
|
|
|
2025/10
|
49
|
28
|
24
|
35
|
30
|
41
|
43
|
15
|
15
|
24
|
28
|
45
|
37
|
33
|
24
|
30
|
30
|
40
|
33
|
46
|
43
|
30
|
37
|
36
|
43
|
32
|
53
|
55
|
48
|
53
|
43
|
|
2025/09
|
26
|
41
|
27
|
17
|
71
|
40
|
52
|
60
|
40
|
38
|
29
|
23
|
38
|
54
|
53
|
43
|
27
|
25
|
19
|
24
|
21
|
14
|
23
|
39
|
36
|
36
|
36
|
42
|
49
|
55
|
|
|
2025/08
|
40
|
37
|
38
|
27
|
45
|
51
|
50
|
30
|
35
|
38
|
41
|
36
|
38
|
37
|
37
|
20
|
22
|
28
|
29
|
28
|
34
|
42
|
19
|
36
|
35
|
32
|
20
|
25
|
23
|
21
|
22
|
|
2025/07
|
27
|
25
|
33
|
34
|
19
|
31
|
23
|
27
|
22
|
31
|
37
|
47
|
53
|
43
|
54
|
33
|
37
|
39
|
30
|
18
|
34
|
36
|
29
|
20
|
21
|
18
|
21
|
33
|
28
|
36
|
36
|
|
2025/06
|
38
|
34
|
28
|
28
|
31
|
52
|
52
|
35
|
41
|
40
|
50
|
53
|
45
|
43
|
47
|
38
|
39
|
39
|
35
|
30
|
36
|
39
|
37
|
43
|
39
|
34
|
33
|
27
|
36
|
28
|
|
|
2025/05
|
70
|
97
|
37
|
82
|
284
|
126
|
97
|
122
|
53
|
40
|
44
|
64
|
75
|
51
|
60
|
206
|
101
|
62
|
66
|
66
|
66
|
189
|
53
|
64
|
47
|
42
|
37
|
53
|
56
|
55
|
31
|
|
2025/04
|
55
|
46
|
113
|
106
|
52
|
83
|
85
|
86
|
86
|
61
|
289
|
164
|
107
|
38
|
59
|
252
|
121
|
71
|
68
|
74
|
240
|
142
|
71
|
39
|
60
|
62
|
43
|
33
|
89
|
160
|
|
|
2025/03
|
68
|
61
|
28
|
40
|
47
|
43
|
59
|
71
|
80
|
62
|
246
|
124
|
74
|
51
|
41
|
28
|
35
|
28
|
27
|
31
|
57
|
72
|
247
|
448
|
430
|
432
|
312
|
103
|
36
|
40
|
47
|
|
2025/02
|
48
|
25
|
30
|
44
|
37
|
127
|
39
|
25
|
43
|
61
|
72
|
50
|
50
|
58
|
71
|
57
|
61
|
53
|
48
|
42
|
47
|
25
|
30
|
46
|
57
|
50
|
58
|
57
|
|||
|
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