Air Quality
Excellent
No health implications.
15
PM2.5
41
PM10
47
O3
0.6
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Dec
54
Good
Sun
21 Dec
57
Good
Mon
22 Dec
59
Good
Tue
23 Dec
55
Good
Wed
24 Dec
50
Excellent
Thu
25 Dec
54
Good
Fri
26 Dec
21
Excellent
Air quality in the last 12 months (Meihekou)
|
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
|
|
|
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
|
|
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