Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
62
*
PM2.5
105
PM10
155
O3
0.7
CO
8
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 May
98
Good
Mon
5 May
125
Light
Tue
6 May
99
Good
Wed
7 May
79
Good
Thu
8 May
86
Good
Fri
9 May
80
Good
Sat
10 May
24
Excellent
Air quality in the last 12 months (Huyi)
|
2025/02
|
254
|
123
|
41
|
55
|
56
|
64
|
98
|
45
|
64
|
104
|
138
|
87
|
95
|
97
|
72
|
84
|
99
|
104
|
119
|
117
|
139
|
154
|
83
|
84
|
87
|
87
|
108
|
137
|
|||
|
2025/01
|
97
|
105
|
120
|
133
|
118
|
93
|
97
|
94
|
93
|
80
|
66
|
93
|
102
|
87
|
59
|
80
|
120
|
93
|
134
|
151
|
195
|
252
|
225
|
191
|
74
|
80
|
83
|
156
|
397
|
323
|
279
|
|
2024/12
|
73
|
113
|
100
|
72
|
67
|
70
|
78
|
55
|
80
|
102
|
148
|
141
|
43
|
72
|
87
|
116
|
102
|
119
|
119
|
174
|
80
|
75
|
96
|
97
|
108
|
124
|
75
|
71
|
84
|
55
|
99
|
|
2024/11
|
70
|
57
|
59
|
66
|
82
|
123
|
153
|
176
|
139
|
116
|
121
|
134
|
106
|
59
|
58
|
52
|
20
|
19
|
63
|
50
|
60
|
102
|
148
|
123
|
33
|
61
|
78
|
72
|
51
|
57
|
|
|
2024/10
|
42
|
49
|
61
|
61
|
101
|
72
|
71
|
149
|
65
|
58
|
87
|
89
|
82
|
74
|
63
|
60
|
94
|
52
|
53
|
36
|
32
|
30
|
52
|
92
|
97
|
60
|
46
|
52
|
91
|
87
|
69
|
|
2024/09
|
53
|
59
|
47
|
49
|
27
|
51
|
24
|
38
|
49
|
47
|
64
|
48
|
44
|
38
|
60
|
50
|
54
|
59
|
48
|
31
|
23
|
56
|
72
|
94
|
76
|
98
|
85
|
72
|
39
|
34
|
|
|
2024/08
|
46
|
52
|
36
|
39
|
45
|
38
|
38
|
44
|
53
|
99
|
50
|
43
|
47
|
54
|
40
|
32
|
35
|
24
|
39
|
47
|
35
|
53
|
58
|
63
|
55
|
35
|
30
|
56
|
69
|
74
|
47
|
|
2024/07
|
21
|
29
|
27
|
32
|
32
|
41
|
37
|
14
|
18
|
32
|
31
|
34
|
38
|
45
|
52
|
49
|
14
|
28
|
28
|
35
|
31
|
37
|
52
|
71
|
82
|
61
|
50
|
40
|
34
|
23
|
33
|
|
2024/06
|
69
|
42
|
47
|
38
|
40
|
64
|
44
|
35
|
34
|
41
|
31
|
40
|
51
|
41
|
56
|
30
|
31
|
31
|
43
|
41
|
23
|
44
|
45
|
53
|
66
|
53
|
35
|
55
|
51
|
58
|
|
|
2024/05
|
47
|
63
|
37
|
32
|
38
|
53
|
61
|
67
|
51
|
48
|
79
|
59
|
71
|
63
|
73
|
63
|
58
|
64
|
43
|
48
|
56
|
59
|
50
|
52
|
45
|
35
|
58
|
72
|
39
|
54
|
74
|
|
2024/04
|
93
|
94
|
75
|
89
|
79
|
83
|
71
|
67
|
70
|
49
|
58
|
64
|
60
|
46
|
69
|
91
|
77
|
82
|
257
|
175
|
111
|
82
|
339
|
195
|
83
|
62
|
75
|
77
|
53
|
25
|
|
|
2024/03
|
61
|
59
|
90
|
112
|
114
|
78
|
97
|
76
|
85
|
84
|
70
|
71
|
66
|
107
|
85
|
337
|
177
|
77
|
129
|
120
|
109
|
118
|
130
|
43
|
39
|
80
|
105
|
72
|
62
|
72
|
94
|
|
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