Air Quality
Excellent
No health implications.
8
PM2.5
25
PM10
46
O3
0.6
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Dec
42
Excellent
Sun
14 Dec
47
Excellent
Mon
15 Dec
51
Good
Tue
16 Dec
66
Good
Wed
17 Dec
49
Excellent
Thu
18 Dec
50
Excellent
Fri
19 Dec
50
Excellent
Air quality in the last 12 months (Guanshan Lake)
|
2025/11
|
26
|
24
|
13
|
20
|
24
|
21
|
29
|
20
|
13
|
18
|
31
|
34
|
40
|
46
|
50
|
45
|
38
|
23
|
30
|
38
|
43
|
50
|
57
|
50
|
54
|
62
|
58
|
73
|
46
|
62
|
|
|
2025/10
|
14
|
17
|
20
|
23
|
24
|
20
|
16
|
21
|
22
|
26
|
31
|
32
|
31
|
34
|
16
|
17
|
23
|
19
|
16
|
18
|
15
|
22
|
31
|
36
|
30
|
30
|
32
|
30
|
45
|
22
|
25
|
|
2025/09
|
26
|
26
|
26
|
29
|
31
|
39
|
38
|
33
|
24
|
22
|
21
|
23
|
19
|
21
|
23
|
23
|
22
|
22
|
27
|
39
|
26
|
21
|
20
|
15
|
13
|
14
|
20
|
20
|
18
|
15
|
|
|
2025/08
|
30
|
35
|
33
|
32
|
32
|
28
|
21
|
22
|
26
|
30
|
25
|
30
|
33
|
37
|
22
|
19
|
21
|
25
|
17
|
21
|
20
|
17
|
23
|
24
|
25
|
26
|
21
|
30
|
28
|
30
|
34
|
|
2025/07
|
14
|
13
|
17
|
17
|
16
|
25
|
29
|
28
|
20
|
24
|
22
|
25
|
25
|
24
|
24
|
25
|
22
|
23
|
23
|
24
|
13
|
12
|
10
|
18
|
21
|
23
|
29
|
34
|
35
|
31
|
25
|
|
2025/06
|
24
|
14
|
28
|
28
|
31
|
34
|
39
|
46
|
37
|
30
|
35
|
29
|
31
|
21
|
28
|
33
|
24
|
21
|
14
|
25
|
30
|
14
|
27
|
18
|
17
|
13
|
19
|
18
|
19
|
13
|
|
|
2025/05
|
46
|
54
|
43
|
24
|
38
|
29
|
24
|
25
|
34
|
24
|
43
|
36
|
33
|
35
|
40
|
42
|
38
|
47
|
59
|
29
|
27
|
30
|
38
|
53
|
35
|
25
|
13
|
13
|
21
|
23
|
19
|
|
2025/04
|
33
|
45
|
59
|
65
|
55
|
58
|
58
|
52
|
61
|
56
|
57
|
140
|
231
|
103
|
83
|
63
|
62
|
57
|
27
|
35
|
40
|
25
|
44
|
19
|
47
|
30
|
18
|
28
|
37
|
17
|
|
|
2025/03
|
42
|
52
|
61
|
34
|
21
|
26
|
41
|
39
|
21
|
30
|
38
|
54
|
28
|
25
|
24
|
29
|
36
|
21
|
35
|
44
|
52
|
65
|
54
|
63
|
55
|
58
|
70
|
69
|
18
|
27
|
40
|
|
2025/02
|
20
|
19
|
29
|
37
|
39
|
20
|
24
|
50
|
60
|
39
|
29
|
45
|
39
|
23
|
32
|
54
|
33
|
32
|
19
|
17
|
17
|
13
|
18
|
22
|
23
|
44
|
30
|
37
|
|||
|
2025/01
|
58
|
74
|
68
|
65
|
65
|
62
|
56
|
39
|
29
|
28
|
41
|
49
|
43
|
61
|
58
|
77
|
64
|
56
|
49
|
75
|
73
|
77
|
55
|
46
|
15
|
21
|
40
|
45
|
55
|
49
|
37
|
|
2024/12
|
59
|
84
|
44
|
34
|
16
|
18
|
24
|
38
|
15
|
14
|
20
|
36
|
42
|
63
|
54
|
56
|
55
|
48
|
62
|
84
|
113
|
64
|
71
|
56
|
52
|
32
|
51
|
74
|
58
|
30
|
41
|
|
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