Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
114
O3
0.7
CO
14
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
61
Good
Sun
20 Apr
73
Good
Mon
21 Apr
172
Moderate
Tue
22 Apr
99
Good
Wed
23 Apr
104
Light
Thu
24 Apr
65
Good
Fri
25 Apr
100
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