Air Quality
Excellent
No health implications.
19
PM2.5
24
PM10
74
O3
0.4
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
75
Good
Sat
31 Jan
70
Good
Sun
1 Feb
58
Good
Mon
2 Feb
67
Good
Tue
3 Feb
74
Good
Wed
4 Feb
65
Good
Thu
5 Feb
26
Excellent
Air quality in the last 12 months (Bayan Obo Mining District)
|
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
|
|||
|
2025/01
|
74
|
26
|
48
|
67
|
57
|
31
|
38
|
17
|
33
|
53
|
53
|
42
|
68
|
17
|
52
|
67
|
85
|
71
|
66
|
89
|
60
|
62
|
89
|
80
|
126
|
104
|
24
|
68
|
265
|
209
|
85
|
|
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