Air Quality
Excellent
No health implications.
19
PM2.5
14
PM10
68
O3
0.4
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Feb
256
Heavy
Sun
22 Feb
55
Good
Mon
23 Feb
61
Good
Tue
24 Feb
77
Good
Wed
25 Feb
66
Good
Thu
26 Feb
71
Good
Fri
27 Feb
31
Excellent
Bayan Obo Mining District Air quality rank
Air quality in the last 12 months (Bayan Obo Mining District)
|
2026/01
|
66
|
70
|
117
|
51
|
30
|
55
|
68
|
80
|
130
|
36
|
46
|
80
|
73
|
147
|
89
|
31
|
63
|
32
|
23
|
31
|
45
|
70
|
63
|
76
|
99
|
108
|
78
|
74
|
56
|
42
|
27
|
|
2025/12
|
30
|
28
|
50
|
36
|
63
|
89
|
56
|
50
|
77
|
64
|
38
|
54
|
71
|
77
|
159
|
82
|
72
|
100
|
55
|
25
|
51
|
76
|
58
|
38
|
50
|
64
|
58
|
50
|
46
|
20
|
41
|
|
2025/11
|
38
|
34
|
62
|
79
|
68
|
62
|
55
|
65
|
59
|
53
|
64
|
54
|
50
|
73
|
87
|
17
|
19
|
34
|
51
|
43
|
67
|
98
|
140
|
61
|
62
|
173
|
57
|
123
|
144
|
109
|
|
|
2025/10
|
56
|
48
|
45
|
56
|
58
|
55
|
35
|
26
|
32
|
43
|
30
|
42
|
63
|
62
|
39
|
44
|
15
|
27
|
26
|
31
|
40
|
54
|
53
|
91
|
26
|
17
|
47
|
66
|
66
|
32
|
27
|
|
2025/09
|
34
|
56
|
69
|
53
|
50
|
41
|
19
|
40
|
59
|
55
|
41
|
32
|
42
|
37
|
36
|
14
|
17
|
28
|
42
|
47
|
38
|
33
|
44
|
45
|
47
|
48
|
42
|
27
|
48
|
59
|
|
|
2025/08
|
30
|
32
|
32
|
40
|
43
|
25
|
26
|
21
|
29
|
28
|
50
|
52
|
26
|
40
|
36
|
23
|
36
|
25
|
21
|
30
|
37
|
40
|
34
|
38
|
28
|
31
|
25
|
40
|
36
|
44
|
41
|
|
2025/07
|
30
|
30
|
46
|
34
|
12
|
20
|
28
|
34
|
25
|
29
|
20
|
47
|
35
|
37
|
34
|
14
|
24
|
39
|
18
|
11
|
22
|
32
|
37
|
31
|
20
|
18
|
22
|
31
|
22
|
21
|
27
|
|
2025/06
|
28
|
20
|
15
|
22
|
31
|
26
|
18
|
25
|
26
|
25
|
42
|
44
|
43
|
18
|
15
|
22
|
35
|
33
|
14
|
22
|
25
|
28
|
34
|
40
|
41
|
34
|
38
|
35
|
43
|
29
|
|
|
2025/05
|
39
|
31
|
21
|
108
|
148
|
46
|
78
|
63
|
36
|
31
|
48
|
63
|
45
|
22
|
49
|
153
|
26
|
58
|
49
|
61
|
28
|
15
|
38
|
45
|
55
|
35
|
38
|
59
|
57
|
34
|
16
|
|
2025/04
|
29
|
33
|
101
|
44
|
44
|
79
|
40
|
49
|
42
|
55
|
156
|
31
|
37
|
22
|
58
|
150
|
28
|
35
|
54
|
62
|
67
|
57
|
50
|
35
|
45
|
56
|
15
|
38
|
66
|
37
|
|
|
2025/03
|
68
|
30
|
36
|
87
|
33
|
32
|
48
|
71
|
84
|
142
|
221
|
82
|
56
|
43
|
27
|
33
|
31
|
28
|
33
|
35
|
54
|
80
|
211
|
182
|
67
|
187
|
82
|
23
|
18
|
29
|
45
|
|
2025/02
|
89
|
23
|
17
|
28
|
47
|
59
|
20
|
27
|
52
|
66
|
68
|
73
|
80
|
82
|
86
|
29
|
40
|
18
|
19
|
22
|
28
|
18
|
25
|
59
|
54
|
62
|
74
|
63
|
|||
|
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