Air Quality
Excellent
No health implications.
12
PM2.5
24
PM10
58
O3
0.6
CO
7
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
49
Excellent
Fri
18 Sep
42
Excellent
Sat
19 Sep
49
Excellent
Sun
20 Sep
55
Good
Mon
21 Sep
52
Good
Tue
22 Sep
45
Excellent
Wed
23 Sep
24
Excellent
Air quality in the last 12 months (Guanshan Lake)
|
2026/08
|
28
|
25
|
21
|
24
|
28
|
24
|
26
|
29
|
34
|
35
|
39
|
36
|
32
|
29
|
23
|
30
|
31
|
32
|
32
|
30
|
32
|
33
|
29
|
29
|
26
|
23
|
25
|
30
|
28
|
26
|
33
|
|
2026/07
|
27
|
20
|
25
|
21
|
19
|
29
|
27
|
29
|
25
|
25
|
22
|
31
|
31
|
30
|
35
|
36
|
29
|
29
|
34
|
34
|
40
|
42
|
39
|
27
|
25
|
28
|
33
|
22
|
23
|
25
|
24
|
|
2026/06
|
35
|
44
|
35
|
40
|
41
|
36
|
27
|
24
|
24
|
30
|
37
|
35
|
28
|
47
|
34
|
40
|
34
|
21
|
25
|
36
|
23
|
28
|
27
|
18
|
27
|
24
|
30
|
38
|
32
|
20
|
|
|
2026/05
|
39
|
29
|
29
|
36
|
42
|
43
|
45
|
44
|
48
|
59
|
53
|
44
|
36
|
48
|
27
|
28
|
24
|
22
|
36
|
37
|
25
|
28
|
34
|
34
|
42
|
40
|
47
|
33
|
32
|
46
|
43
|
|
2026/04
|
29
|
45
|
32
|
38
|
44
|
43
|
32
|
59
|
47
|
49
|
47
|
41
|
44
|
44
|
44
|
38
|
32
|
36
|
44
|
32
|
30
|
23
|
32
|
35
|
51
|
47
|
32
|
24
|
29
|
40
|
|
|
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
|
|
|
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