Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
26
O3
0.5
CO
10
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Nov
53
Good
Wed
20 Nov
60
Good
Thu
21 Nov
75
Good
Fri
22 Nov
80
Good
Sat
23 Nov
82
Good
Sun
24 Nov
84
Good
Mon
25 Nov
84
Good
Air quality in the last 12 months (Hengnan)
|
2024/10
|
32
|
48
|
55
|
52
|
51
|
68
|
67
|
50
|
52
|
62
|
69
|
73
|
135
|
69
|
37
|
34
|
49
|
42
|
27
|
28
|
38
|
23
|
34
|
46
|
50
|
62
|
50
|
59
|
65
|
50
|
54
|
|
2024/09
|
55
|
55
|
58
|
49
|
52
|
48
|
36
|
34
|
42
|
39
|
44
|
43
|
37
|
44
|
46
|
45
|
52
|
51
|
48
|
45
|
38
|
31
|
39
|
44
|
60
|
58
|
55
|
57
|
53
|
51
|
|
|
2024/08
|
17
|
21
|
26
|
30
|
35
|
34
|
32
|
33
|
35
|
36
|
31
|
32
|
27
|
36
|
37
|
37
|
48
|
66
|
34
|
47
|
50
|
24
|
26
|
27
|
41
|
41
|
46
|
28
|
36
|
41
|
59
|
|
2024/07
|
25
|
19
|
24
|
18
|
19
|
21
|
24
|
21
|
23
|
25
|
23
|
26
|
24
|
22
|
28
|
21
|
16
|
17
|
19
|
21
|
24
|
29
|
27
|
35
|
44
|
33
|
23
|
15
|
17
|
15
|
17
|
|
2024/06
|
20
|
24
|
38
|
18
|
21
|
31
|
38
|
37
|
39
|
27
|
23
|
20
|
17
|
21
|
18
|
23
|
13
|
16
|
19
|
24
|
24
|
23
|
25
|
23
|
9
|
19
|
28
|
25
|
21
|
23
|
|
|
2024/05
|
23
|
35
|
32
|
16
|
37
|
65
|
101
|
89
|
72
|
81
|
31
|
70
|
85
|
72
|
66
|
66
|
60
|
49
|
27
|
20
|
40
|
41
|
42
|
37
|
33
|
27
|
18
|
35
|
27
|
18
|
20
|
|
2024/04
|
39
|
51
|
27
|
27
|
24
|
32
|
40
|
46
|
49
|
39
|
50
|
48
|
44
|
58
|
56
|
47
|
24
|
40
|
27
|
27
|
39
|
56
|
41
|
48
|
31
|
31
|
40
|
55
|
48
|
13
|
|
|
2024/03
|
87
|
67
|
53
|
45
|
40
|
108
|
80
|
69
|
55
|
62
|
49
|
51
|
48
|
40
|
44
|
36
|
44
|
19
|
50
|
63
|
75
|
44
|
27
|
31
|
30
|
27
|
42
|
29
|
39
|
44
|
34
|
|
2024/02
|
36
|
18
|
20
|
32
|
70
|
29
|
51
|
101
|
105
|
160
|
91
|
111
|
39
|
39
|
52
|
44
|
40
|
28
|
45
|
57
|
15
|
25
|
33
|
37
|
66
|
48
|
76
|
41
|
56
|
||
|
2024/01
|
96
|
106
|
64
|
71
|
77
|
85
|
100
|
94
|
104
|
95
|
88
|
87
|
88
|
65
|
180
|
161
|
110
|
43
|
19
|
26
|
68
|
38
|
52
|
50
|
54
|
66
|
84
|
93
|
69
|
48
|
62
|
|
2023/12
|
52
|
65
|
62
|
51
|
41
|
59
|
66
|
62
|
67
|
58
|
19
|
38
|
57
|
53
|
21
|
35
|
39
|
37
|
65
|
53
|
63
|
58
|
61
|
83
|
96
|
96
|
108
|
151
|
217
|
239
|
206
|
|
2023/11
|
72
|
65
|
69
|
84
|
65
|
24
|
45
|
36
|
32
|
17
|
14
|
14
|
45
|
66
|
56
|
42
|
65
|
71
|
73
|
68
|
67
|
67
|
77
|
71
|
73
|
69
|
76
|
81
|
77
|
82
|
|
|
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