Air Quality
Excellent
No health implications.
14
PM2.5
19
PM10
11
O3
1.1
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Mar
47
Excellent
Tue
24 Mar
48
Excellent
Wed
25 Mar
47
Excellent
Thu
26 Mar
47
Excellent
Fri
27 Mar
47
Excellent
Sat
28 Mar
50
Excellent
Sun
29 Mar
45
Excellent
Air quality in the last 12 months (Hengshan)
|
2026/02
|
49
|
57
|
61
|
81
|
104
|
85
|
69
|
58
|
59
|
60
|
60
|
69
|
68
|
61
|
60
|
21
|
97
|
73
|
57
|
46
|
52
|
63
|
56
|
36
|
50
|
27
|
23
|
24
|
|||
|
2026/01
|
34
|
55
|
64
|
62
|
61
|
82
|
70
|
62
|
68
|
89
|
101
|
94
|
111
|
87
|
101
|
121
|
139
|
154
|
32
|
23
|
55
|
65
|
71
|
51
|
72
|
79
|
143
|
87
|
60
|
32
|
45
|
|
2025/12
|
91
|
113
|
84
|
62
|
76
|
91
|
105
|
128
|
131
|
145
|
135
|
151
|
29
|
56
|
56
|
63
|
82
|
112
|
101
|
95
|
99
|
90
|
52
|
57
|
63
|
62
|
75
|
80
|
91
|
141
|
159
|
|
2025/11
|
60
|
50
|
34
|
44
|
45
|
32
|
65
|
11
|
11
|
19
|
46
|
56
|
46
|
52
|
57
|
69
|
65
|
27
|
32
|
44
|
51
|
57
|
67
|
59
|
61
|
69
|
84
|
86
|
75
|
70
|
|
|
2025/10
|
59
|
54
|
38
|
51
|
48
|
31
|
53
|
59
|
51
|
59
|
72
|
143
|
92
|
59
|
71
|
55
|
45
|
16
|
9
|
10
|
13
|
28
|
38
|
42
|
63
|
76
|
78
|
71
|
79
|
90
|
73
|
|
2025/09
|
30
|
30
|
33
|
38
|
36
|
37
|
45
|
35
|
24
|
27
|
25
|
25
|
27
|
38
|
43
|
41
|
36
|
35
|
28
|
22
|
25
|
23
|
30
|
12
|
15
|
24
|
38
|
49
|
55
|
44
|
|
|
2025/08
|
38
|
45
|
25
|
22
|
22
|
15
|
16
|
21
|
27
|
32
|
39
|
44
|
33
|
23
|
14
|
25
|
28
|
24
|
14
|
17
|
18
|
22
|
28
|
25
|
22
|
25
|
26
|
32
|
28
|
31
|
29
|
|
2025/07
|
16
|
15
|
23
|
29
|
42
|
42
|
49
|
43
|
38
|
24
|
24
|
25
|
29
|
31
|
26
|
25
|
29
|
33
|
30
|
24
|
15
|
13
|
16
|
22
|
25
|
32
|
19
|
23
|
25
|
20
|
26
|
|
2025/06
|
18
|
24
|
40
|
47
|
49
|
40
|
32
|
23
|
35
|
40
|
34
|
21
|
31
|
18
|
15
|
25
|
16
|
14
|
15
|
21
|
23
|
13
|
24
|
19
|
36
|
29
|
16
|
17
|
22
|
20
|
|
|
2025/05
|
61
|
63
|
67
|
64
|
53
|
57
|
77
|
46
|
34
|
53
|
52
|
67
|
61
|
51
|
75
|
24
|
26
|
26
|
31
|
19
|
22
|
28
|
29
|
53
|
56
|
52
|
59
|
16
|
24
|
31
|
19
|
|
2025/04
|
60
|
60
|
66
|
95
|
94
|
87
|
78
|
75
|
84
|
74
|
64
|
246
|
181
|
134
|
88
|
75
|
80
|
67
|
32
|
42
|
39
|
41
|
59
|
33
|
31
|
39
|
38
|
50
|
68
|
56
|
|
|
2025/03
|
34
|
36
|
13
|
31
|
43
|
55
|
54
|
50
|
53
|
49
|
49
|
64
|
68
|
22
|
26
|
48
|
46
|
42
|
45
|
55
|
61
|
60
|
84
|
81
|
77
|
86
|
89
|
63
|
54
|
21
|
51
|
|
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