Air Quality
Excellent
No health implications.
3
PM2.5
15
PM10
31
O3
0.4
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
31
Excellent
Sat
21 Jun
30
Excellent
Sun
22 Jun
27
Excellent
Mon
23 Jun
25
Excellent
Tue
24 Jun
29
Excellent
Wed
25 Jun
30
Excellent
Thu
26 Jun
34
Excellent
Air quality in the last 12 months (Guanshan Lake)
|
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
|
|
2024/11
|
37
|
21
|
47
|
49
|
43
|
49
|
51
|
41
|
47
|
35
|
31
|
27
|
34
|
42
|
42
|
44
|
39
|
12
|
12
|
14
|
16
|
27
|
29
|
32
|
8
|
21
|
27
|
28
|
35
|
42
|
|
|
2024/10
|
7
|
13
|
34
|
38
|
43
|
50
|
23
|
23
|
29
|
48
|
48
|
43
|
24
|
20
|
31
|
25
|
13
|
21
|
17
|
14
|
21
|
14
|
29
|
24
|
20
|
33
|
43
|
34
|
28
|
35
|
42
|
|
2024/09
|
20
|
16
|
15
|
17
|
22
|
29
|
19
|
11
|
12
|
21
|
19
|
24
|
23
|
28
|
18
|
23
|
15
|
18
|
21
|
25
|
24
|
19
|
33
|
31
|
42
|
44
|
38
|
38
|
21
|
12
|
|
|
2024/08
|
10
|
8
|
9
|
10
|
15
|
15
|
17
|
18
|
18
|
17
|
35
|
53
|
49
|
35
|
30
|
28
|
22
|
26
|
35
|
28
|
23
|
16
|
11
|
19
|
10
|
13
|
17
|
18
|
28
|
24
|
18
|
|
2024/07
|
16
|
21
|
13
|
11
|
13
|
12
|
15
|
14
|
16
|
17
|
14
|
15
|
15
|
12
|
10
|
14
|
11
|
11
|
6
|
8
|
10
|
11
|
11
|
12
|
17
|
26
|
28
|
26
|
12
|
12
|
11
|
|
2024/06
|
26
|
26
|
11
|
12
|
24
|
19
|
12
|
10
|
11
|
14
|
19
|
13
|
22
|
23
|
30
|
25
|
9
|
22
|
14
|
20
|
19
|
10
|
15
|
20
|
19
|
9
|
8
|
10
|
9
|
25
|
|
|
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