Air Quality
Excellent
No health implications.
19
PM2.5
34
PM10
21
O3
0.6
CO
9
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Mar
38
Excellent
Mon
10 Mar
34
Excellent
Tue
11 Mar
45
Excellent
Wed
12 Mar
42
Excellent
Thu
13 Mar
30
Excellent
Fri
14 Mar
26
Excellent
Sat
15 Mar
30
Excellent
Air quality in the last 12 months (Guanshan Lake)
|
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
|
|
|
2024/05
|
17
|
15
|
14
|
13
|
29
|
30
|
17
|
22
|
17
|
15
|
15
|
13
|
20
|
31
|
40
|
35
|
26
|
11
|
21
|
21
|
17
|
25
|
32
|
27
|
27
|
15
|
28
|
24
|
16
|
13
|
24
|
|
2024/04
|
44
|
43
|
44
|
23
|
18
|
17
|
19
|
23
|
33
|
40
|
38
|
39
|
54
|
53
|
59
|
61
|
45
|
25
|
21
|
20
|
27
|
45
|
24
|
36
|
29
|
42
|
29
|
45
|
52
|
16
|
|
|
2024/03
|
36
|
56
|
34
|
35
|
34
|
26
|
57
|
51
|
38
|
49
|
47
|
44
|
38
|
43
|
28
|
36
|
41
|
19
|
39
|
66
|
60
|
50
|
40
|
48
|
34
|
39
|
48
|
28
|
40
|
46
|
49
|
|
2024/02
|
45
|
30
|
22
|
28
|
18
|
27
|
22
|
52
|
47
|
102
|
57
|
35
|
41
|
44
|
57
|
44
|
42
|
41
|
44
|
59
|
56
|
21
|
18
|
28
|
19
|
20
|
36
|
30
|
37
|
||
|
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