Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
37
O3
0.3
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jul
49
Excellent
Mon
7 Jul
39
Excellent
Tue
8 Jul
38
Excellent
Wed
9 Jul
35
Excellent
Thu
10 Jul
32
Excellent
Fri
11 Jul
36
Excellent
Sat
12 Jul
27
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