Air Quality
Excellent
No health implications.
12
PM2.5
24
PM10
48
O3
0.5
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
61
Good
Mon
5 May
64
Good
Tue
6 May
64
Good
Wed
7 May
64
Good
Thu
8 May
63
Good
Fri
9 May
63
Good
Sat
10 May
20
Excellent
Air quality in the last 12 months (Boluo)
|
2025/02
|
31
|
35
|
8
|
23
|
34
|
38
|
20
|
52
|
36
|
41
|
34
|
29
|
44
|
44
|
49
|
55
|
38
|
46
|
38
|
44
|
25
|
31
|
12
|
24
|
40
|
39
|
49
|
34
|
|||
|
2025/01
|
64
|
55
|
52
|
55
|
59
|
70
|
67
|
62
|
59
|
38
|
40
|
32
|
49
|
57
|
53
|
62
|
48
|
56
|
54
|
56
|
57
|
49
|
46
|
33
|
27
|
17
|
22
|
42
|
71
|
53
|
38
|
|
2024/12
|
59
|
59
|
53
|
54
|
55
|
64
|
47
|
31
|
41
|
42
|
51
|
21
|
32
|
61
|
39
|
43
|
52
|
43
|
55
|
60
|
47
|
56
|
63
|
62
|
57
|
53
|
62
|
65
|
72
|
77
|
62
|
|
2024/11
|
23
|
24
|
42
|
44
|
41
|
51
|
40
|
35
|
41
|
45
|
45
|
44
|
40
|
19
|
18
|
13
|
24
|
22
|
13
|
12
|
19
|
24
|
30
|
36
|
23
|
13
|
29
|
30
|
33
|
45
|
|
|
2024/10
|
25
|
24
|
35
|
30
|
34
|
36
|
35
|
48
|
36
|
29
|
37
|
48
|
43
|
37
|
40
|
32
|
31
|
34
|
41
|
36
|
29
|
29
|
22
|
33
|
40
|
41
|
34
|
13
|
21
|
36
|
32
|
|
2024/09
|
23
|
35
|
27
|
25
|
18
|
10
|
14
|
15
|
13
|
22
|
38
|
45
|
32
|
28
|
17
|
20
|
19
|
15
|
29
|
28
|
14
|
18
|
13
|
15
|
25
|
43
|
41
|
27
|
30
|
34
|
|
|
2024/08
|
28
|
31
|
33
|
42
|
52
|
39
|
40
|
48
|
35
|
28
|
31
|
28
|
21
|
29
|
29
|
25
|
16
|
21
|
19
|
24
|
12
|
24
|
28
|
33
|
30
|
44
|
46
|
46
|
30
|
25
|
17
|
|
2024/07
|
22
|
21
|
16
|
19
|
23
|
15
|
17
|
24
|
21
|
17
|
16
|
17
|
16
|
20
|
17
|
14
|
15
|
19
|
21
|
19
|
17
|
17
|
25
|
34
|
46
|
23
|
17
|
8
|
13
|
14
|
15
|
|
2024/06
|
10
|
20
|
19
|
20
|
26
|
13
|
16
|
15
|
15
|
14
|
21
|
25
|
26
|
24
|
21
|
22
|
22
|
19
|
23
|
17
|
21
|
30
|
14
|
13
|
16
|
21
|
19
|
17
|
17
|
19
|
|
|
2024/05
|
16
|
23
|
30
|
25
|
21
|
43
|
25
|
33
|
38
|
40
|
35
|
31
|
29
|
33
|
43
|
47
|
49
|
39
|
35
|
14
|
10
|
17
|
21
|
14
|
16
|
21
|
23
|
16
|
22
|
27
|
17
|
|
2024/04
|
45
|
49
|
28
|
26
|
42
|
27
|
15
|
26
|
18
|
31
|
50
|
58
|
51
|
34
|
40
|
39
|
30
|
28
|
28
|
21
|
15
|
33
|
29
|
25
|
15
|
21
|
23
|
12
|
23
|
22
|
|
|
2024/03
|
19
|
23
|
32
|
41
|
39
|
32
|
30
|
33
|
51
|
10
|
14
|
21
|
55
|
58
|
47
|
59
|
51
|
49
|
21
|
61
|
53
|
54
|
45
|
34
|
35
|
44
|
37
|
45
|
52
|
36
|
31
|
|
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