Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
25
O3
0.7
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
52
Good
Fri
23 May
46
Excellent
Sat
24 May
43
Excellent
Sun
25 May
56
Good
Mon
26 May
59
Good
Tue
27 May
40
Excellent
Wed
28 May
98
Good
Air quality in the last 12 months (Potou)
|
2025/04
|
23
|
50
|
44
|
50
|
38
|
53
|
58
|
42
|
37
|
27
|
24
|
44
|
170
|
150
|
134
|
109
|
77
|
59
|
38
|
28
|
26
|
40
|
31
|
33
|
22
|
29
|
24
|
21
|
34
|
35
|
|
|
2025/03
|
32
|
21
|
26
|
21
|
34
|
9
|
15
|
26
|
42
|
28
|
36
|
32
|
20
|
18
|
24
|
19
|
40
|
52
|
55
|
68
|
60
|
56
|
51
|
53
|
53
|
29
|
32
|
25
|
16
|
11
|
14
|
|
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
|
|
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