Air Quality
Excellent
No health implications.
16
PM2.5
47
PM10
37
O3
0.9
CO
5
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
35
Excellent
Wed
22 Apr
37
Excellent
Thu
23 Apr
51
Good
Fri
24 Apr
41
Excellent
Sat
25 Apr
63
Good
Sun
26 Apr
56
Good
Mon
27 Apr
17
Excellent
Air quality in the last 12 months (Guanshan Lake)
|
2026/03
|
45
|
30
|
31
|
36
|
46
|
54
|
27
|
17
|
17
|
27
|
44
|
36
|
40
|
55
|
16
|
21
|
38
|
21
|
31
|
21
|
48
|
29
|
29
|
25
|
37
|
29
|
30
|
27
|
35
|
39
|
23
|
|
2026/02
|
37
|
44
|
35
|
29
|
32
|
51
|
37
|
43
|
20
|
21
|
33
|
42
|
60
|
44
|
38
|
71
|
53
|
43
|
31
|
49
|
37
|
41
|
36
|
66
|
33
|
47
|
23
|
36
|
|||
|
2026/01
|
24
|
26
|
17
|
23
|
33
|
44
|
60
|
53
|
67
|
70
|
81
|
52
|
79
|
77
|
89
|
85
|
121
|
60
|
49
|
25
|
21
|
34
|
52
|
59
|
37
|
35
|
64
|
50
|
37
|
27
|
32
|
|
2025/12
|
84
|
82
|
75
|
68
|
51
|
59
|
37
|
53
|
51
|
41
|
56
|
57
|
34
|
54
|
53
|
71
|
53
|
59
|
36
|
34
|
48
|
31
|
24
|
34
|
42
|
58
|
73
|
79
|
47
|
37
|
31
|
|
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
|
|
|
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