Air Quality
Excellent
No health implications.
7
PM2.5
40
PM10
73
O3
0.2
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Oct
89
Good
Fri
31 Oct
102
Light
Sat
1 Nov
109
Light
Sun
2 Nov
70
Good
Mon
3 Nov
77
Good
Tue
4 Nov
90
Good
Wed
5 Nov
22
Excellent
Meihekou Air quality rank
Air quality in the last 12 months (Meihekou)
|
2025/08
|
23
|
24
|
21
|
18
|
21
|
17
|
19
|
22
|
21
|
18
|
24
|
22
|
26
|
22
|
28
|
19
|
17
|
22
|
29
|
21
|
20
|
16
|
25
|
20
|
16
|
20
|
28
|
20
|
20
|
31
|
22
|
|
2025/07
|
18
|
16
|
12
|
11
|
17
|
18
|
25
|
22
|
27
|
27
|
27
|
26
|
22
|
18
|
14
|
14
|
19
|
18
|
18
|
16
|
16
|
20
|
13
|
16
|
21
|
23
|
25
|
19
|
19
|
14
|
22
|
|
2025/06
|
35
|
36
|
21
|
18
|
30
|
28
|
22
|
24
|
28
|
16
|
18
|
25
|
26
|
27
|
29
|
19
|
23
|
26
|
27
|
19
|
17
|
19
|
25
|
29
|
31
|
28
|
40
|
29
|
30
|
23
|
|
|
2025/05
|
20
|
25
|
23
|
26
|
32
|
26
|
37
|
42
|
46
|
28
|
36
|
41
|
41
|
36
|
26
|
26
|
21
|
29
|
25
|
34
|
41
|
49
|
35
|
35
|
29
|
34
|
35
|
30
|
35
|
39
|
43
|
|
2025/04
|
51
|
42
|
58
|
51
|
29
|
33
|
35
|
53
|
59
|
60
|
58
|
32
|
15
|
27
|
37
|
39
|
46
|
36
|
27
|
47
|
53
|
20
|
37
|
66
|
63
|
73
|
64
|
54
|
53
|
49
|
|
|
2025/03
|
77
|
30
|
32
|
31
|
47
|
56
|
48
|
52
|
62
|
55
|
46
|
81
|
43
|
40
|
52
|
54
|
69
|
58
|
57
|
63
|
63
|
117
|
127
|
79
|
97
|
80
|
41
|
35
|
34
|
43
|
56
|
|
2025/02
|
94
|
98
|
49
|
63
|
70
|
60
|
42
|
31
|
50
|
62
|
53
|
69
|
83
|
71
|
69
|
48
|
35
|
51
|
58
|
56
|
54
|
55
|
60
|
54
|
68
|
52
|
57
|
77
|
|||
|
2025/01
|
51
|
38
|
48
|
58
|
80
|
75
|
56
|
39
|
46
|
57
|
69
|
81
|
77
|
51
|
39
|
44
|
52
|
55
|
60
|
74
|
83
|
84
|
78
|
72
|
70
|
76
|
55
|
71
|
78
|
67
|
86
|
|
2024/12
|
45
|
26
|
33
|
29
|
31
|
34
|
44
|
51
|
60
|
62
|
47
|
52
|
57
|
49
|
30
|
35
|
45
|
51
|
58
|
61
|
50
|
49
|
56
|
49
|
56
|
41
|
41
|
46
|
48
|
53
|
38
|
|
2024/11
|
77
|
118
|
88
|
28
|
25
|
29
|
35
|
51
|
45
|
34
|
49
|
36
|
42
|
31
|
25
|
38
|
32
|
38
|
35
|
52
|
55
|
51
|
52
|
52
|
47
|
44
|
36
|
47
|
36
|
49
|
|
|
2024/10
|
15
|
24
|
28
|
31
|
34
|
48
|
28
|
38
|
37
|
33
|
34
|
44
|
48
|
38
|
18
|
32
|
57
|
52
|
27
|
37
|
22
|
37
|
38
|
48
|
59
|
79
|
47
|
36
|
55
|
63
|
65
|
|
2024/09
|
19
|
17
|
21
|
21
|
15
|
22
|
26
|
20
|
25
|
21
|
23
|
21
|
20
|
21
|
25
|
29
|
25
|
28
|
25
|
19
|
17
|
25
|
24
|
23
|
25
|
18
|
28
|
30
|
25
|
25
|
|
|
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