Air Quality
Excellent
No health implications.
17
PM2.5
28
PM10
51
O3
0.4
CO
4
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Jul
60
Good
Sat
5 Jul
64
Good
Sun
6 Jul
71
Good
Mon
7 Jul
70
Good
Tue
8 Jul
71
Good
Wed
9 Jul
20
Excellent
Thu
10 Jul
22
Excellent
Air quality in the last 12 months (Mengcheng)
|
2025/05
|
63
|
76
|
52
|
54
|
46
|
96
|
86
|
56
|
41
|
35
|
51
|
53
|
53
|
63
|
93
|
69
|
103
|
83
|
80
|
60
|
47
|
62
|
71
|
68
|
62
|
68
|
79
|
73
|
75
|
70
|
84
|
|
2025/04
|
69
|
60
|
59
|
72
|
92
|
82
|
67
|
80
|
85
|
97
|
80
|
238
|
102
|
64
|
57
|
62
|
75
|
77
|
64
|
63
|
54
|
72
|
88
|
91
|
65
|
61
|
59
|
60
|
60
|
59
|
|
|
2025/03
|
114
|
67
|
42
|
69
|
75
|
83
|
71
|
93
|
106
|
100
|
116
|
154
|
116
|
52
|
61
|
55
|
54
|
54
|
61
|
60
|
53
|
63
|
75
|
122
|
72
|
71
|
121
|
152
|
102
|
75
|
72
|
|
2025/02
|
117
|
114
|
134
|
96
|
61
|
57
|
78
|
45
|
59
|
68
|
92
|
117
|
104
|
83
|
98
|
88
|
62
|
71
|
83
|
54
|
56
|
81
|
95
|
52
|
69
|
111
|
100
|
109
|
|||
|
2025/01
|
112
|
182
|
133
|
147
|
149
|
81
|
66
|
70
|
49
|
65
|
81
|
80
|
105
|
137
|
64
|
74
|
105
|
112
|
144
|
147
|
154
|
191
|
97
|
62
|
47
|
88
|
51
|
94
|
191
|
93
|
138
|
|
2024/12
|
85
|
118
|
70
|
98
|
123
|
134
|
122
|
54
|
74
|
91
|
112
|
107
|
106
|
84
|
75
|
90
|
108
|
70
|
69
|
97
|
84
|
64
|
92
|
119
|
140
|
163
|
113
|
85
|
68
|
94
|
121
|
|
2024/11
|
93
|
131
|
111
|
91
|
62
|
78
|
57
|
51
|
59
|
63
|
56
|
69
|
77
|
80
|
81
|
63
|
41
|
38
|
35
|
46
|
60
|
92
|
58
|
51
|
50
|
52
|
72
|
62
|
56
|
78
|
|
|
2024/10
|
36
|
49
|
49
|
53
|
44
|
29
|
20
|
55
|
56
|
72
|
93
|
85
|
77
|
70
|
86
|
73
|
41
|
21
|
40
|
45
|
59
|
74
|
76
|
61
|
63
|
63
|
114
|
127
|
117
|
84
|
68
|
|
2024/09
|
46
|
42
|
35
|
42
|
52
|
36
|
41
|
40
|
31
|
38
|
50
|
25
|
29
|
51
|
31
|
46
|
18
|
25
|
22
|
26
|
31
|
31
|
41
|
51
|
54
|
53
|
45
|
43
|
43
|
45
|
|
|
2024/08
|
22
|
20
|
27
|
30
|
28
|
20
|
26
|
30
|
39
|
50
|
87
|
50
|
52
|
36
|
28
|
29
|
28
|
37
|
31
|
28
|
42
|
46
|
43
|
45
|
49
|
43
|
14
|
24
|
30
|
35
|
39
|
|
2024/07
|
29
|
31
|
31
|
13
|
22
|
19
|
25
|
30
|
16
|
47
|
49
|
30
|
24
|
22
|
17
|
35
|
27
|
19
|
23
|
21
|
23
|
27
|
32
|
40
|
30
|
22
|
18
|
16
|
15
|
21
|
23
|
|
2024/06
|
60
|
67
|
77
|
73
|
67
|
53
|
48
|
59
|
64
|
50
|
40
|
45
|
51
|
55
|
58
|
59
|
49
|
50
|
47
|
51
|
26
|
38
|
40
|
68
|
82
|
53
|
56
|
23
|
19
|
26
|
|
|
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