Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
69
*
PM2.5
100
PM10
36
O3
1.0
CO
10
SO2
30
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Jan
110
Light
Wed
8 Jan
102
Light
Thu
9 Jan
65
Good
Fri
10 Jan
76
Good
Sat
11 Jan
86
Good
Sun
12 Jan
42
Excellent
Mon
13 Jan
46
Excellent
Air quality in the last 12 months (Hengnan)
|
2024/11
|
60
|
92
|
77
|
75
|
85
|
61
|
57
|
49
|
59
|
71
|
53
|
61
|
59
|
68
|
60
|
65
|
22
|
13
|
16
|
33
|
50
|
49
|
59
|
64
|
35
|
26
|
36
|
45
|
51
|
60
|
|
|
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
|
|
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