Air Quality
Excellent
No health implications.
12
PM2.5
34
PM10
40
O3
0.6
CO
9
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
52
Good
Thu
11 Sep
56
Good
Fri
12 Sep
56
Good
Sat
13 Sep
51
Good
Sun
14 Sep
54
Good
Mon
15 Sep
44
Excellent
Tue
16 Sep
28
Excellent
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