Air Quality
Excellent
No health implications.
18
PM2.5
35
PM10
88
O3
0.5
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Oct
69
Good
Fri
30 Oct
55
Good
Sat
31 Oct
79
Good
Sun
1 Nov
84
Good
Mon
2 Nov
58
Good
Tue
3 Nov
56
Good
Wed
4 Nov
39
Excellent
Air quality in the last 12 months (Meihekou)
|
2026/08
|
31
|
24
|
26
|
30
|
31
|
33
|
25
|
21
|
24
|
21
|
20
|
25
|
22
|
20
|
23
|
21
|
22
|
21
|
24
|
25
|
27
|
28
|
21
|
19
|
22
|
26
|
25
|
24
|
26
|
25
|
29
|
|
2026/07
|
33
|
32
|
30
|
30
|
31
|
23
|
23
|
22
|
24
|
26
|
16
|
15
|
15
|
14
|
24
|
28
|
31
|
33
|
22
|
25
|
29
|
35
|
29
|
28
|
23
|
24
|
25
|
35
|
31
|
31
|
28
|
|
2026/06
|
39
|
53
|
29
|
26
|
20
|
25
|
22
|
22
|
27
|
24
|
25
|
31
|
35
|
48
|
41
|
29
|
25
|
31
|
29
|
28
|
22
|
27
|
30
|
31
|
30
|
33
|
35
|
29
|
37
|
32
|
|
|
2026/05
|
37
|
29
|
28
|
29
|
41
|
33
|
23
|
27
|
38
|
36
|
39
|
40
|
38
|
42
|
43
|
41
|
37
|
28
|
25
|
24
|
29
|
28
|
31
|
31
|
37
|
36
|
22
|
28
|
31
|
34
|
54
|
|
2026/04
|
74
|
101
|
87
|
33
|
33
|
32
|
30
|
39
|
43
|
49
|
35
|
53
|
63
|
132
|
93
|
53
|
44
|
42
|
63
|
81
|
56
|
41
|
41
|
56
|
50
|
34
|
30
|
29
|
31
|
36
|
|
|
2026/03
|
62
|
96
|
90
|
53
|
43
|
35
|
44
|
59
|
64
|
58
|
66
|
73
|
57
|
122
|
239
|
134
|
115
|
46
|
42
|
59
|
81
|
113
|
96
|
70
|
91
|
109
|
74
|
94
|
80
|
35
|
48
|
|
2026/02
|
75
|
71
|
66
|
113
|
110
|
48
|
51
|
53
|
58
|
74
|
80
|
83
|
115
|
94
|
47
|
82
|
188
|
45
|
45
|
59
|
76
|
100
|
50
|
47
|
54
|
56
|
59
|
49
|
|||
|
2026/01
|
68
|
68
|
82
|
90
|
66
|
57
|
56
|
63
|
62
|
60
|
43
|
44
|
24
|
48
|
52
|
67
|
57
|
51
|
37
|
56
|
55
|
49
|
53
|
53
|
69
|
61
|
62
|
60
|
69
|
75
|
71
|
|
2025/12
|
58
|
43
|
46
|
56
|
51
|
61
|
68
|
50
|
64
|
79
|
65
|
78
|
64
|
75
|
74
|
66
|
74
|
56
|
37
|
44
|
45
|
52
|
40
|
67
|
52
|
62
|
80
|
75
|
40
|
50
|
54
|
|
2025/11
|
52
|
33
|
34
|
50
|
66
|
65
|
81
|
92
|
42
|
41
|
87
|
77
|
50
|
86
|
102
|
54
|
46
|
46
|
55
|
52
|
66
|
67
|
103
|
197
|
316
|
170
|
55
|
51
|
48
|
52
|
|
|
2025/10
|
43
|
47
|
40
|
33
|
36
|
29
|
32
|
41
|
40
|
38
|
34
|
46
|
57
|
93
|
64
|
59
|
51
|
32
|
43
|
41
|
51
|
62
|
71
|
73
|
96
|
68
|
60
|
95
|
136
|
41
|
56
|
|
2025/09
|
18
|
34
|
30
|
30
|
28
|
20
|
29
|
34
|
28
|
28
|
33
|
41
|
42
|
32
|
25
|
28
|
29
|
33
|
30
|
30
|
38
|
33
|
33
|
26
|
32
|
41
|
36
|
32
|
38
|
35
|
|
|
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