Air Quality
Excellent
No health implications.
13
PM2.5
33
PM10
65
O3
0.4
CO
17
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
58
Good
Tue
17 Jun
42
Excellent
Wed
18 Jun
38
Excellent
Thu
19 Jun
32
Excellent
Fri
20 Jun
32
Excellent
Sat
21 Jun
31
Excellent
Sun
22 Jun
46
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