Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
52
*
PM2.5
93
PM10
45
O3
0.5
CO
7
SO2
41
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 Mar
90
Good
Sat
15 Mar
86
Good
Sun
16 Mar
74
Good
Mon
17 Mar
69
Good
Tue
18 Mar
65
Good
Wed
19 Mar
33
Excellent
Thu
20 Mar
34
Excellent
Air quality in the last 12 months (Weihui)
|
2025/01
|
136
|
95
|
97
|
148
|
94
|
64
|
60
|
63
|
52
|
81
|
81
|
55
|
96
|
107
|
55
|
57
|
81
|
105
|
110
|
123
|
207
|
106
|
74
|
114
|
119
|
77
|
32
|
52
|
230
|
185
|
90
|
|
2024/12
|
73
|
52
|
64
|
133
|
130
|
91
|
69
|
72
|
87
|
126
|
118
|
134
|
76
|
65
|
57
|
62
|
84
|
60
|
56
|
98
|
54
|
67
|
86
|
143
|
178
|
104
|
73
|
53
|
66
|
77
|
91
|
|
2024/11
|
65
|
93
|
109
|
56
|
53
|
84
|
83
|
70
|
69
|
137
|
181
|
216
|
139
|
84
|
89
|
93
|
55
|
56
|
54
|
73
|
85
|
91
|
81
|
75
|
47
|
38
|
70
|
38
|
42
|
77
|
|
|
2024/10
|
51
|
35
|
52
|
55
|
60
|
69
|
109
|
130
|
160
|
92
|
82
|
127
|
103
|
109
|
154
|
88
|
77
|
20
|
27
|
23
|
49
|
76
|
76
|
83
|
89
|
121
|
181
|
113
|
163
|
199
|
213
|
|
2024/09
|
53
|
26
|
37
|
53
|
38
|
25
|
47
|
67
|
62
|
32
|
24
|
29
|
39
|
51
|
35
|
47
|
51
|
42
|
45
|
48
|
16
|
25
|
48
|
64
|
97
|
109
|
101
|
78
|
62
|
14
|
|
|
2024/08
|
32
|
27
|
27
|
28
|
34
|
20
|
30
|
40
|
31
|
77
|
44
|
31
|
33
|
40
|
43
|
47
|
43
|
28
|
21
|
21
|
29
|
47
|
48
|
56
|
45
|
36
|
17
|
25
|
41
|
49
|
45
|
|
2024/07
|
28
|
30
|
50
|
25
|
22
|
41
|
35
|
20
|
43
|
68
|
66
|
36
|
52
|
86
|
66
|
46
|
35
|
33
|
30
|
16
|
37
|
38
|
33
|
44
|
27
|
25
|
26
|
19
|
9
|
13
|
20
|
|
2024/06
|
61
|
82
|
72
|
97
|
74
|
75
|
58
|
63
|
61
|
65
|
67
|
68
|
63
|
55
|
48
|
47
|
39
|
53
|
47
|
52
|
35
|
56
|
77
|
86
|
78
|
65
|
52
|
51
|
30
|
39
|
|
|
2024/05
|
52
|
55
|
53
|
59
|
84
|
90
|
90
|
65
|
62
|
64
|
185
|
117
|
110
|
87
|
80
|
68
|
70
|
76
|
61
|
57
|
63
|
57
|
64
|
69
|
67
|
79
|
45
|
59
|
61
|
51
|
76
|
|
2024/04
|
127
|
96
|
66
|
42
|
66
|
70
|
64
|
68
|
81
|
85
|
74
|
60
|
60
|
41
|
68
|
87
|
83
|
78
|
71
|
76
|
75
|
79
|
88
|
87
|
95
|
73
|
68
|
79
|
61
|
54
|
|
|
2024/03
|
105
|
98
|
80
|
110
|
90
|
101
|
100
|
51
|
74
|
90
|
88
|
98
|
102
|
126
|
74
|
105
|
94
|
76
|
106
|
84
|
105
|
114
|
87
|
51
|
40
|
68
|
52
|
91
|
113
|
117
|
95
|
|
2024/02
|
66
|
51
|
81
|
83
|
130
|
194
|
191
|
240
|
199
|
327
|
157
|
129
|
136
|
160
|
54
|
64
|
61
|
103
|
71
|
45
|
38
|
29
|
42
|
86
|
155
|
103
|
106
|
92
|
113
|
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution