Air Quality
Excellent
No health implications.
7
PM2.5
9
PM10
59
O3
0.4
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
65
Good
Mon
16 Jun
82
Good
Tue
17 Jun
91
Good
Wed
18 Jun
83
Good
Thu
19 Jun
84
Good
Fri
20 Jun
67
Good
Sat
21 Jun
47
Excellent
Air quality in the last 12 months (Bayan Obo Mining District)
|
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
|
|
2024/12
|
49
|
27
|
40
|
25
|
35
|
21
|
21
|
42
|
63
|
46
|
50
|
74
|
55
|
51
|
63
|
66
|
28
|
36
|
64
|
28
|
24
|
59
|
59
|
73
|
46
|
23
|
42
|
72
|
151
|
79
|
71
|
|
2024/11
|
78
|
76
|
28
|
28
|
50
|
67
|
81
|
83
|
78
|
45
|
64
|
58
|
75
|
99
|
92
|
61
|
46
|
60
|
64
|
81
|
66
|
64
|
88
|
65
|
32
|
41
|
44
|
37
|
44
|
54
|
|
|
2024/10
|
15
|
29
|
41
|
58
|
54
|
24
|
36
|
46
|
50
|
35
|
56
|
58
|
36
|
47
|
21
|
68
|
79
|
28
|
36
|
42
|
39
|
36
|
49
|
60
|
64
|
29
|
28
|
54
|
44
|
52
|
66
|
|
2024/09
|
17
|
25
|
48
|
37
|
18
|
23
|
27
|
43
|
51
|
27
|
27
|
37
|
20
|
15
|
27
|
23
|
29
|
55
|
50
|
12
|
12
|
28
|
50
|
44
|
25
|
42
|
58
|
59
|
19
|
33
|
|
|
2024/08
|
27
|
51
|
33
|
32
|
38
|
34
|
32
|
34
|
40
|
38
|
13
|
14
|
21
|
30
|
46
|
42
|
32
|
41
|
20
|
21
|
17
|
19
|
27
|
37
|
24
|
19
|
25
|
33
|
41
|
52
|
39
|
|
2024/07
|
22
|
27
|
38
|
30
|
49
|
46
|
41
|
47
|
52
|
47
|
55
|
38
|
38
|
46
|
44
|
15
|
28
|
28
|
59
|
59
|
111
|
57
|
34
|
46
|
40
|
26
|
16
|
18
|
30
|
30
|
20
|
|
2024/06
|
38
|
76
|
44
|
34
|
40
|
43
|
26
|
47
|
44
|
44
|
65
|
55
|
45
|
14
|
21
|
28
|
45
|
45
|
38
|
38
|
70
|
286
|
195
|
79
|
37
|
62
|
55
|
54
|
20
|
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