Air Quality
Excellent
No health implications.
3
PM2.5
19
PM10
89
O3
0.4
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
57
Good
Sat
20 Apr
56
Good
Sun
21 Apr
38
Excellent
Mon
22 Apr
35
Excellent
Tue
23 Apr
51
Good
Wed
24 Apr
51
Good
Thu
25 Apr
51
Good
Air quality in the last 12 months (Guanshan Lake)
|
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
|
||
|
2024/01
|
40
|
23
|
31
|
36
|
70
|
74
|
38
|
33
|
50
|
51
|
42
|
48
|
27
|
24
|
25
|
27
|
21
|
23
|
43
|
24
|
19
|
24
|
33
|
44
|
56
|
50
|
47
|
48
|
43
|
22
|
24
|
|
2023/12
|
50
|
34
|
39
|
27
|
50
|
44
|
64
|
38
|
45
|
35
|
43
|
30
|
23
|
31
|
42
|
35
|
35
|
17
|
33
|
40
|
40
|
51
|
72
|
73
|
80
|
51
|
72
|
61
|
61
|
68
|
61
|
|
2023/11
|
40
|
36
|
48
|
37
|
35
|
34
|
27
|
19
|
36
|
17
|
22
|
13
|
22
|
25
|
14
|
34
|
50
|
60
|
71
|
73
|
34
|
40
|
76
|
66
|
50
|
36
|
52
|
50
|
52
|
34
|
|
|
2023/10
|
24
|
25
|
27
|
32
|
22
|
17
|
15
|
18
|
22
|
23
|
33
|
26
|
19
|
19
|
35
|
36
|
32
|
36
|
32
|
29
|
33
|
37
|
35
|
28
|
40
|
48
|
21
|
27
|
28
|
33
|
37
|
|
2023/09
|
34
|
41
|
38
|
23
|
26
|
28
|
26
|
24
|
26
|
25
|
27
|
22
|
23
|
28
|
35
|
34
|
19
|
19
|
18
|
23
|
19
|
21
|
21
|
29
|
28
|
29
|
30
|
34
|
24
|
26
|
|
|
2023/08
|
21
|
19
|
20
|
26
|
28
|
23
|
19
|
20
|
19
|
21
|
26
|
32
|
29
|
27
|
25
|
26
|
26
|
31
|
39
|
38
|
27
|
32
|
27
|
19
|
17
|
17
|
21
|
24
|
26
|
29
|
33
|
|
2023/07
|
25
|
25
|
23
|
24
|
27
|
19
|
21
|
23
|
21
|
22
|
23
|
26
|
25
|
23
|
47
|
43
|
38
|
35
|
20
|
21
|
20
|
24
|
23
|
26
|
28
|
32
|
33
|
25
|
24
|
29
|
26
|
|
2023/06
|
28
|
33
|
29
|
30
|
20
|
29
|
35
|
33
|
33
|
36
|
43
|
41
|
45
|
32
|
34
|
23
|
29
|
33
|
25
|
47
|
21
|
21
|
25
|
25
|
29
|
31
|
22
|
21
|
22
|
26
|
|
|
2023/05
|
60
|
52
|
44
|
39
|
42
|
30
|
19
|
27
|
16
|
19
|
19
|
29
|
46
|
65
|
50
|
33
|
52
|
36
|
47
|
40
|
53
|
29
|
36
|
48
|
38
|
31
|
29
|
30
|
27
|
32
|
37
|
|
2023/04
|
47
|
59
|
58
|
57
|
37
|
20
|
29
|
62
|
65
|
42
|
60
|
56
|
66
|
43
|
45
|
45
|
55
|
49
|
38
|
37
|
53
|
76
|
39
|
20
|
25
|
46
|
40
|
46
|
53
|
56
|
|
|
2023/03
|
68
|
57
|
31
|
48
|
48
|
60
|
43
|
39
|
41
|
48
|
63
|
39
|
30
|
56
|
63
|
42
|
52
|
29
|
27
|
36
|
50
|
51
|
28
|
23
|
27
|
32
|
38
|
37
|
39
|
47
|
44
|
|
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