Air Quality
Excellent
No health implications.
2
PM2.5
10
PM10
34
O3
0.4
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
38
Excellent
Thu
17 Jul
41
Excellent
Fri
18 Jul
46
Excellent
Sat
19 Jul
65
Good
Sun
20 Jul
52
Good
Mon
21 Jul
20
Excellent
Tue
22 Jul
18
Excellent
Air quality in the last 12 months (Meihekou)
|
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
|
|
|
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
|
|
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