Air Quality
Excellent
No health implications.
19
PM2.5
29
PM10
44
O3
0.4
CO
5
SO2
31
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
70
Good
Wed
1 May
78
Good
Thu
2 May
80
Good
Fri
3 May
77
Good
Sat
4 May
69
Good
Sun
5 May
79
Good
Mon
6 May
77
Good
Air quality in the last 12 months (Mengjin)
|
2024/02
|
85
|
70
|
84
|
106
|
110
|
175
|
241
|
156
|
145
|
185
|
105
|
94
|
105
|
100
|
70
|
77
|
78
|
209
|
188
|
50
|
45
|
35
|
40
|
63
|
104
|
103
|
82
|
83
|
104
|
||
|
2024/01
|
120
|
98
|
73
|
74
|
78
|
76
|
64
|
101
|
110
|
142
|
130
|
164
|
294
|
228
|
55
|
81
|
81
|
134
|
83
|
82
|
58
|
25
|
43
|
44
|
41
|
56
|
63
|
69
|
101
|
169
|
236
|
|
2023/12
|
46
|
69
|
100
|
94
|
90
|
137
|
93
|
86
|
114
|
56
|
38
|
90
|
78
|
61
|
39
|
33
|
43
|
87
|
103
|
91
|
31
|
44
|
71
|
73
|
64
|
95
|
156
|
219
|
226
|
138
|
80
|
|
2023/11
|
75
|
70
|
73
|
63
|
42
|
50
|
64
|
86
|
98
|
35
|
39
|
60
|
129
|
108
|
120
|
94
|
67
|
64
|
78
|
119
|
158
|
105
|
71
|
52
|
55
|
81
|
85
|
84
|
79
|
49
|
|
|
2023/10
|
51
|
23
|
36
|
49
|
43
|
23
|
35
|
44
|
60
|
73
|
77
|
88
|
70
|
57
|
49
|
98
|
137
|
71
|
38
|
49
|
57
|
56
|
63
|
73
|
86
|
94
|
96
|
102
|
73
|
79
|
80
|
|
2023/09
|
54
|
62
|
55
|
67
|
78
|
84
|
77
|
66
|
63
|
61
|
59
|
32
|
50
|
53
|
54
|
61
|
66
|
35
|
39
|
33
|
37
|
50
|
39
|
27
|
27
|
24
|
28
|
37
|
31
|
53
|
|
|
2023/08
|
30
|
37
|
39
|
40
|
48
|
33
|
38
|
49
|
64
|
70
|
71
|
27
|
46
|
60
|
59
|
62
|
67
|
86
|
60
|
56
|
35
|
59
|
43
|
40
|
59
|
33
|
21
|
33
|
47
|
53
|
52
|
|
2023/07
|
72
|
59
|
40
|
37
|
58
|
51
|
52
|
63
|
59
|
58
|
46
|
31
|
35
|
51
|
43
|
71
|
71
|
72
|
67
|
49
|
33
|
42
|
62
|
69
|
47
|
44
|
50
|
40
|
19
|
20
|
30
|
|
2023/06
|
41
|
37
|
32
|
26
|
37
|
51
|
48
|
62
|
56
|
64
|
85
|
68
|
52
|
54
|
56
|
51
|
36
|
57
|
38
|
56
|
69
|
60
|
64
|
78
|
78
|
65
|
65
|
35
|
43
|
54
|
|
|
2023/05
|
82
|
75
|
49
|
25
|
55
|
48
|
45
|
56
|
57
|
40
|
51
|
58
|
73
|
69
|
74
|
74
|
68
|
68
|
74
|
86
|
52
|
37
|
47
|
41
|
52
|
62
|
29
|
23
|
41
|
33
|
45
|
|
2023/04
|
72
|
82
|
36
|
29
|
41
|
79
|
83
|
72
|
80
|
83
|
306
|
497
|
286
|
99
|
88
|
89
|
92
|
105
|
104
|
158
|
58
|
34
|
22
|
25
|
46
|
67
|
56
|
166
|
123
|
72
|
|
|
2023/03
|
110
|
93
|
92
|
93
|
90
|
95
|
99
|
89
|
90
|
83
|
206
|
127
|
80
|
95
|
148
|
51
|
43
|
78
|
94
|
97
|
105
|
138
|
476
|
196
|
135
|
113
|
88
|
80
|
79
|
83
|
75
|
|
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