Air Quality
Excellent
No health implications.
6
PM2.5
21
PM10
80
O3
0.4
CO
7
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
80
Good
Mon
14 Apr
59
Good
Tue
15 Apr
65
Good
Wed
16 Apr
99
Good
Thu
17 Apr
66
Good
Fri
18 Apr
74
Good
Sat
19 Apr
92
Good
Air quality in the last 12 months (Bayan Obo Mining District)
|
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
|
|
|
2024/05
|
37
|
47
|
54
|
49
|
43
|
33
|
28
|
44
|
65
|
125
|
30
|
26
|
44
|
124
|
61
|
82
|
78
|
115
|
145
|
45
|
62
|
68
|
88
|
59
|
57
|
22
|
33
|
51
|
74
|
52
|
16
|
|
2024/04
|
92
|
39
|
36
|
64
|
45
|
35
|
49
|
68
|
60
|
86
|
85
|
102
|
131
|
320
|
145
|
35
|
62
|
95
|
63
|
32
|
79
|
111
|
36
|
101
|
262
|
83
|
134
|
23
|
19
|
24
|
|
|
2024/03
|
60
|
88
|
58
|
70
|
19
|
41
|
29
|
41
|
72
|
76
|
24
|
43
|
63
|
73
|
107
|
206
|
61
|
130
|
34
|
52
|
114
|
50
|
72
|
64
|
71
|
74
|
251
|
351
|
82
|
48
|
55
|
|
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