Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
159
O3
0.4
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
108
Light
Mon
2 Jun
124
Light
Tue
3 Jun
124
Light
Wed
4 Jun
139
Light
Thu
5 Jun
157
Moderate
Fri
6 Jun
158
Moderate
Sat
7 Jun
50
Excellent
Air quality in the last 12 months (Mengyin)
|
2025/04
|
67
|
38
|
50
|
71
|
54
|
67
|
82
|
85
|
71
|
75
|
64
|
119
|
54
|
58
|
56
|
71
|
104
|
85
|
51
|
56
|
52
|
79
|
75
|
72
|
71
|
56
|
65
|
55
|
57
|
66
|
|
|
2025/03
|
73
|
18
|
45
|
56
|
90
|
89
|
75
|
101
|
113
|
111
|
116
|
156
|
71
|
61
|
65
|
39
|
54
|
34
|
54
|
71
|
62
|
70
|
97
|
101
|
129
|
93
|
106
|
97
|
43
|
59
|
69
|
|
2025/02
|
88
|
125
|
66
|
41
|
41
|
60
|
46
|
30
|
56
|
81
|
75
|
113
|
94
|
88
|
110
|
96
|
54
|
64
|
56
|
65
|
92
|
57
|
60
|
51
|
79
|
101
|
131
|
151
|
|||
|
2025/01
|
132
|
111
|
78
|
135
|
193
|
61
|
61
|
46
|
43
|
52
|
98
|
113
|
115
|
108
|
46
|
72
|
85
|
118
|
134
|
111
|
143
|
159
|
97
|
95
|
90
|
81
|
36
|
53
|
160
|
93
|
127
|
|
2024/12
|
103
|
80
|
58
|
107
|
162
|
134
|
63
|
57
|
91
|
108
|
71
|
62
|
81
|
72
|
88
|
101
|
94
|
38
|
61
|
102
|
53
|
61
|
86
|
117
|
173
|
81
|
63
|
72
|
77
|
104
|
100
|
|
2024/11
|
97
|
63
|
95
|
50
|
46
|
54
|
54
|
53
|
52
|
68
|
83
|
110
|
106
|
49
|
56
|
68
|
49
|
34
|
45
|
69
|
99
|
64
|
44
|
57
|
33
|
34
|
48
|
53
|
65
|
78
|
|
|
2024/10
|
23
|
20
|
40
|
56
|
53
|
48
|
57
|
42
|
65
|
80
|
78
|
82
|
70
|
62
|
87
|
72
|
49
|
10
|
32
|
34
|
54
|
52
|
47
|
73
|
76
|
60
|
95
|
44
|
79
|
111
|
111
|
|
2024/09
|
42
|
20
|
25
|
46
|
35
|
18
|
38
|
41
|
35
|
35
|
26
|
33
|
37
|
30
|
27
|
31
|
27
|
18
|
17
|
21
|
17
|
27
|
27
|
51
|
60
|
68
|
47
|
43
|
40
|
30
|
|
|
2024/08
|
23
|
21
|
28
|
28
|
16
|
14
|
28
|
19
|
33
|
47
|
95
|
43
|
44
|
35
|
32
|
40
|
33
|
30
|
22
|
21
|
35
|
49
|
54
|
49
|
51
|
32
|
12
|
27
|
31
|
48
|
56
|
|
2024/07
|
42
|
26
|
33
|
23
|
31
|
16
|
17
|
24
|
42
|
64
|
71
|
73
|
58
|
40
|
28
|
20
|
19
|
43
|
23
|
12
|
31
|
29
|
37
|
45
|
27
|
18
|
11
|
12
|
22
|
24
|
23
|
|
2024/06
|
28
|
53
|
56
|
47
|
37
|
48
|
43
|
58
|
64
|
68
|
55
|
56
|
57
|
61
|
36
|
43
|
41
|
44
|
43
|
36
|
41
|
44
|
80
|
101
|
75
|
44
|
32
|
47
|
39
|
51
|
|
|
2024/05
|
49
|
52
|
56
|
41
|
45
|
62
|
62
|
54
|
50
|
58
|
171
|
87
|
76
|
79
|
49
|
52
|
67
|
65
|
55
|
48
|
49
|
46
|
52
|
59
|
46
|
43
|
37
|
38
|
43
|
48
|
55
|
|
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