Air Quality
Excellent
No health implications.
11
PM2.5
17
PM10
36
O3
0.5
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Nov
51
Good
Tue
19 Nov
55
Good
Wed
20 Nov
69
Good
Thu
21 Nov
82
Good
Fri
22 Nov
88
Good
Sat
23 Nov
86
Good
Sun
24 Nov
89
Good
Air quality in the last 12 months (Hengshan)
|
2024/10
|
32
|
53
|
56
|
51
|
54
|
82
|
74
|
56
|
60
|
69
|
79
|
90
|
176
|
75
|
55
|
53
|
52
|
45
|
30
|
34
|
47
|
23
|
37
|
45
|
57
|
75
|
75
|
104
|
86
|
59
|
61
|
|
2024/09
|
45
|
45
|
52
|
51
|
44
|
47
|
35
|
33
|
42
|
39
|
43
|
33
|
26
|
42
|
42
|
44
|
48
|
47
|
41
|
45
|
35
|
33
|
38
|
48
|
63
|
71
|
68
|
58
|
47
|
51
|
|
|
2024/08
|
17
|
19
|
27
|
31
|
34
|
29
|
29
|
30
|
35
|
35
|
28
|
30
|
27
|
33
|
37
|
34
|
43
|
47
|
30
|
36
|
47
|
25
|
24
|
27
|
34
|
36
|
41
|
26
|
29
|
35
|
44
|
|
2024/07
|
20
|
18
|
25
|
18
|
16
|
17
|
20
|
18
|
22
|
23
|
25
|
28
|
25
|
19
|
28
|
20
|
16
|
16
|
16
|
21
|
24
|
27
|
27
|
39
|
42
|
34
|
21
|
11
|
16
|
15
|
16
|
|
2024/06
|
22
|
28
|
38
|
22
|
24
|
33
|
39
|
38
|
39
|
23
|
25
|
21
|
20
|
22
|
22
|
28
|
14
|
18
|
16
|
24
|
23
|
22
|
23
|
20
|
8
|
16
|
25
|
26
|
20
|
20
|
|
|
2024/05
|
27
|
44
|
40
|
17
|
39
|
56
|
79
|
79
|
66
|
81
|
39
|
81
|
87
|
64
|
60
|
67
|
59
|
51
|
29
|
27
|
47
|
36
|
38
|
37
|
34
|
28
|
20
|
30
|
29
|
18
|
27
|
|
2024/04
|
34
|
48
|
30
|
34
|
42
|
44
|
51
|
51
|
45
|
42
|
56
|
54
|
49
|
56
|
59
|
43
|
28
|
48
|
31
|
29
|
40
|
49
|
40
|
46
|
40
|
37
|
46
|
52
|
46
|
12
|
|
|
2024/03
|
83
|
63
|
46
|
42
|
54
|
107
|
71
|
65
|
57
|
68
|
63
|
54
|
53
|
56
|
52
|
42
|
52
|
19
|
53
|
68
|
75
|
48
|
28
|
36
|
29
|
28
|
50
|
31
|
40
|
48
|
36
|
|
2024/02
|
38
|
16
|
20
|
43
|
70
|
33
|
65
|
112
|
139
|
217
|
124
|
93
|
53
|
53
|
56
|
42
|
40
|
32
|
57
|
42
|
14
|
26
|
35
|
42
|
64
|
55
|
78
|
49
|
58
|
||
|
2024/01
|
91
|
106
|
65
|
64
|
75
|
93
|
110
|
128
|
121
|
117
|
88
|
92
|
95
|
96
|
201
|
154
|
90
|
28
|
16
|
32
|
70
|
42
|
50
|
48
|
55
|
64
|
82
|
88
|
80
|
47
|
68
|
|
2023/12
|
47
|
65
|
77
|
66
|
49
|
65
|
68
|
65
|
68
|
66
|
14
|
41
|
57
|
59
|
19
|
31
|
40
|
33
|
61
|
55
|
68
|
53
|
62
|
75
|
77
|
86
|
94
|
163
|
230
|
235
|
194
|
|
2023/11
|
68
|
62
|
69
|
81
|
69
|
22
|
42
|
34
|
31
|
22
|
14
|
15
|
63
|
77
|
58
|
49
|
65
|
69
|
67
|
66
|
63
|
63
|
78
|
71
|
67
|
75
|
83
|
82
|
69
|
70
|
|
|
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