Air Quality
Excellent
No health implications.
13
PM2.5
34
PM10
40
O3
0.8
CO
15
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jan
48
Excellent
Thu
16 Jan
52
Good
Fri
17 Jan
52
Good
Sat
18 Jan
59
Good
Sun
19 Jan
85
Good
Mon
20 Jan
97
Good
Tue
21 Jan
22
Excellent
Air quality in the last 12 months (Meihekou)
|
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
|
|
|
2024/08
|
15
|
20
|
18
|
22
|
14
|
15
|
25
|
31
|
28
|
26
|
22
|
23
|
22
|
25
|
29
|
26
|
29
|
31
|
23
|
25
|
15
|
16
|
17
|
27
|
27
|
24
|
23
|
20
|
22
|
25
|
24
|
|
2024/07
|
40
|
36
|
12
|
29
|
33
|
22
|
21
|
43
|
43
|
49
|
58
|
60
|
60
|
58
|
57
|
31
|
13
|
21
|
29
|
22
|
20
|
16
|
18
|
14
|
14
|
10
|
9
|
8
|
14
|
23
|
18
|
|
2024/06
|
25
|
16
|
22
|
26
|
30
|
22
|
24
|
19
|
19
|
24
|
27
|
27
|
23
|
18
|
15
|
21
|
29
|
26
|
41
|
30
|
32
|
36
|
34
|
15
|
16
|
24
|
34
|
33
|
20
|
24
|
|
|
2024/05
|
31
|
42
|
45
|
36
|
28
|
25
|
32
|
27
|
50
|
45
|
53
|
36
|
33
|
40
|
19
|
27
|
33
|
44
|
23
|
15
|
22
|
32
|
26
|
24
|
21
|
14
|
12
|
24
|
33
|
29
|
18
|
|
2024/04
|
53
|
63
|
61
|
70
|
77
|
62
|
77
|
81
|
70
|
121
|
41
|
43
|
36
|
37
|
89
|
131
|
77
|
54
|
76
|
146
|
82
|
42
|
49
|
36
|
43
|
50
|
49
|
25
|
27
|
32
|
|
|
2024/03
|
36
|
45
|
36
|
45
|
38
|
37
|
36
|
35
|
39
|
54
|
56
|
37
|
43
|
50
|
51
|
54
|
50
|
43
|
35
|
37
|
46
|
46
|
43
|
36
|
33
|
42
|
52
|
147
|
76
|
53
|
49
|
|
2024/02
|
75
|
82
|
85
|
82
|
73
|
94
|
97
|
85
|
136
|
283
|
91
|
63
|
75
|
48
|
41
|
37
|
31
|
30
|
32
|
36
|
32
|
38
|
41
|
112
|
108
|
59
|
49
|
68
|
57
|
||
|
2024/01
|
93
|
69
|
85
|
53
|
39
|
44
|
35
|
43
|
55
|
61
|
41
|
43
|
56
|
38
|
53
|
64
|
64
|
54
|
68
|
48
|
51
|
44
|
52
|
48
|
67
|
74
|
63
|
61
|
82
|
95
|
69
|
|
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