Air Quality
Excellent
No health implications.
25
PM2.5
35
PM10
57
O3
0.5
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
57
Good
Wed
30 Apr
50
Excellent
Thu
1 May
55
Good
Fri
2 May
56
Good
Sat
3 May
60
Good
Sun
4 May
58
Good
Mon
5 May
97
Good
Air quality in the last 12 months (Potou)
|
2025/02
|
29
|
23
|
34
|
23
|
45
|
49
|
51
|
36
|
53
|
44
|
39
|
47
|
73
|
31
|
26
|
32
|
73
|
54
|
44
|
35
|
31
|
52
|
61
|
23
|
58
|
72
|
63
|
38
|
|||
|
2025/01
|
101
|
87
|
92
|
66
|
83
|
89
|
60
|
69
|
90
|
69
|
46
|
45
|
50
|
74
|
54
|
74
|
62
|
60
|
73
|
76
|
69
|
47
|
49
|
37
|
35
|
25
|
41
|
52
|
119
|
49
|
42
|
|
2024/12
|
52
|
47
|
49
|
48
|
39
|
67
|
77
|
35
|
46
|
56
|
46
|
51
|
48
|
56
|
60
|
48
|
58
|
60
|
49
|
57
|
76
|
65
|
70
|
72
|
77
|
74
|
89
|
78
|
86
|
65
|
85
|
|
2024/11
|
48
|
48
|
61
|
41
|
56
|
59
|
61
|
52
|
65
|
59
|
44
|
59
|
79
|
67
|
64
|
46
|
25
|
35
|
35
|
21
|
27
|
35
|
36
|
45
|
26
|
34
|
37
|
44
|
42
|
41
|
|
|
2024/10
|
41
|
24
|
42
|
53
|
49
|
50
|
47
|
66
|
63
|
54
|
47
|
35
|
35
|
32
|
30
|
31
|
25
|
14
|
22
|
34
|
39
|
47
|
23
|
33
|
42
|
47
|
38
|
25
|
26
|
32
|
45
|
|
2024/09
|
17
|
20
|
38
|
35
|
43
|
17
|
23
|
31
|
22
|
15
|
17
|
31
|
28
|
39
|
31
|
33
|
22
|
19
|
26
|
23
|
26
|
13
|
16
|
16
|
34
|
41
|
37
|
32
|
26
|
25
|
|
|
2024/08
|
21
|
20
|
18
|
24
|
22
|
23
|
30
|
28
|
24
|
25
|
23
|
26
|
22
|
21
|
22
|
21
|
18
|
14
|
16
|
17
|
21
|
20
|
17
|
30
|
18
|
21
|
22
|
22
|
22
|
23
|
17
|
|
2024/07
|
26
|
20
|
22
|
19
|
11
|
10
|
10
|
12
|
15
|
15
|
17
|
16
|
16
|
15
|
19
|
16
|
14
|
16
|
13
|
16
|
15
|
15
|
17
|
18
|
20
|
24
|
26
|
20
|
13
|
18
|
22
|
|
2024/06
|
22
|
32
|
18
|
17
|
13
|
14
|
14
|
11
|
18
|
16
|
22
|
26
|
23
|
25
|
28
|
31
|
31
|
26
|
27
|
25
|
18
|
11
|
11
|
11
|
16
|
16
|
13
|
13
|
16
|
22
|
|
|
2024/05
|
25
|
23
|
13
|
17
|
21
|
23
|
26
|
28
|
38
|
34
|
33
|
26
|
24
|
29
|
26
|
30
|
41
|
26
|
25
|
19
|
20
|
27
|
15
|
16
|
18
|
16
|
25
|
19
|
27
|
21
|
28
|
|
2024/04
|
40
|
35
|
34
|
53
|
31
|
37
|
32
|
35
|
30
|
34
|
39
|
29
|
35
|
31
|
28
|
30
|
25
|
27
|
29
|
36
|
23
|
19
|
34
|
28
|
31
|
43
|
43
|
41
|
29
|
40
|
|
|
2024/03
|
23
|
47
|
61
|
28
|
43
|
48
|
52
|
48
|
46
|
28
|
25
|
27
|
35
|
48
|
60
|
52
|
37
|
27
|
27
|
39
|
51
|
44
|
39
|
41
|
32
|
37
|
31
|
39
|
23
|
24
|
33
|
|
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