Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
52
*
PM2.5
69
PM10
144
O3
0.6
CO
9
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 May
86
Good
Wed
14 May
66
Good
Thu
15 May
54
Good
Fri
16 May
62
Good
Sat
17 May
68
Good
Sun
18 May
58
Good
Mon
19 May
47
Excellent
Air quality in the last 12 months (Hengdong)
|
2025/02
|
40
|
31
|
55
|
62
|
67
|
77
|
66
|
54
|
47
|
50
|
70
|
77
|
104
|
121
|
58
|
46
|
58
|
43
|
37
|
27
|
87
|
30
|
45
|
83
|
110
|
98
|
60
|
46
|
|||
|
2025/01
|
145
|
124
|
169
|
187
|
142
|
101
|
91
|
84
|
60
|
60
|
66
|
83
|
81
|
75
|
90
|
68
|
79
|
86
|
116
|
106
|
112
|
113
|
176
|
230
|
31
|
32
|
54
|
79
|
224
|
119
|
57
|
|
2024/12
|
66
|
73
|
92
|
130
|
43
|
46
|
58
|
75
|
93
|
70
|
57
|
79
|
99
|
64
|
60
|
72
|
79
|
85
|
100
|
124
|
117
|
107
|
90
|
107
|
136
|
130
|
149
|
119
|
97
|
124
|
133
|
|
2024/11
|
72
|
118
|
92
|
90
|
105
|
72
|
65
|
53
|
63
|
85
|
64
|
78
|
66
|
90
|
88
|
107
|
23
|
13
|
21
|
39
|
54
|
55
|
67
|
84
|
40
|
29
|
42
|
48
|
53
|
58
|
|
|
2024/10
|
33
|
52
|
54
|
51
|
52
|
77
|
74
|
55
|
57
|
64
|
74
|
81
|
162
|
78
|
51
|
46
|
49
|
44
|
30
|
33
|
46
|
24
|
37
|
44
|
54
|
72
|
66
|
89
|
80
|
55
|
57
|
|
2024/09
|
45
|
45
|
50
|
47
|
44
|
45
|
33
|
31
|
39
|
37
|
42
|
35
|
28
|
41
|
40
|
43
|
48
|
47
|
42
|
44
|
36
|
33
|
38
|
46
|
60
|
63
|
63
|
57
|
47
|
50
|
|
|
2024/08
|
18
|
19
|
29
|
30
|
34
|
30
|
28
|
29
|
35
|
35
|
27
|
30
|
26
|
31
|
36
|
35
|
42
|
48
|
30
|
37
|
47
|
23
|
24
|
27
|
34
|
34
|
40
|
26
|
30
|
35
|
45
|
|
2024/07
|
19
|
17
|
25
|
17
|
15
|
17
|
20
|
17
|
21
|
22
|
23
|
26
|
23
|
19
|
28
|
19
|
16
|
16
|
17
|
21
|
24
|
28
|
28
|
38
|
41
|
33
|
20
|
11
|
16
|
15
|
16
|
|
2024/06
|
22
|
27
|
35
|
20
|
22
|
32
|
39
|
38
|
40
|
25
|
25
|
20
|
19
|
22
|
20
|
26
|
14
|
18
|
18
|
23
|
22
|
21
|
23
|
20
|
9
|
16
|
25
|
25
|
19
|
21
|
|
|
2024/05
|
24
|
40
|
37
|
17
|
38
|
58
|
81
|
82
|
66
|
82
|
35
|
76
|
86
|
65
|
61
|
65
|
57
|
50
|
28
|
26
|
44
|
35
|
37
|
35
|
33
|
27
|
18
|
30
|
28
|
18
|
25
|
|
2024/04
|
35
|
50
|
29
|
30
|
35
|
40
|
48
|
49
|
45
|
40
|
54
|
52
|
47
|
57
|
57
|
44
|
27
|
46
|
30
|
29
|
38
|
49
|
40
|
45
|
37
|
34
|
44
|
53
|
46
|
12
|
|
|
2024/03
|
80
|
63
|
45
|
41
|
50
|
110
|
73
|
66
|
56
|
67
|
60
|
52
|
52
|
51
|
48
|
40
|
50
|
19
|
53
|
67
|
74
|
46
|
28
|
33
|
30
|
27
|
48
|
30
|
39
|
46
|
35
|
|
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