Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
40
*
PM2.5
46
PM10
34
O3
0.7
CO
7
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Dec
44
Excellent
Wed
31 Dec
29
Excellent
Thu
1 Jan
32
Excellent
Fri
2 Jan
36
Excellent
Sat
3 Jan
42
Excellent
Sun
4 Jan
46
Excellent
Mon
5 Jan
40
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