Air Quality
Excellent
No health implications.
16
PM2.5
33
PM10
75
O3
0.5
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
67
Good
Tue
6 May
48
Excellent
Wed
7 May
60
Good
Thu
8 May
65
Good
Fri
9 May
68
Good
Sat
10 May
65
Good
Sun
11 May
26
Excellent
Air quality in the last 12 months (Weixin)
|
2025/02
|
29
|
23
|
22
|
47
|
37
|
17
|
22
|
37
|
53
|
46
|
61
|
50
|
27
|
34
|
49
|
61
|
54
|
48
|
64
|
34
|
39
|
24
|
33
|
28
|
26
|
42
|
67
|
86
|
|||
|
2025/01
|
89
|
112
|
122
|
110
|
98
|
116
|
60
|
33
|
41
|
39
|
31
|
56
|
70
|
65
|
69
|
75
|
100
|
44
|
54
|
82
|
122
|
98
|
99
|
53
|
24
|
41
|
63
|
72
|
124
|
104
|
49
|
|
2024/12
|
103
|
127
|
72
|
82
|
48
|
48
|
41
|
36
|
31
|
29
|
38
|
34
|
25
|
31
|
36
|
59
|
70
|
87
|
73
|
70
|
65
|
52
|
44
|
52
|
41
|
38
|
63
|
75
|
75
|
39
|
52
|
|
2024/11
|
22
|
27
|
67
|
35
|
30
|
55
|
64
|
60
|
53
|
63
|
60
|
50
|
32
|
39
|
69
|
48
|
16
|
17
|
19
|
21
|
32
|
44
|
49
|
26
|
13
|
19
|
23
|
32
|
44
|
69
|
|
|
2024/10
|
12
|
22
|
26
|
42
|
60
|
29
|
38
|
42
|
41
|
45
|
52
|
19
|
15
|
26
|
36
|
56
|
26
|
43
|
30
|
30
|
32
|
13
|
31
|
60
|
54
|
46
|
25
|
41
|
76
|
78
|
58
|
|
2024/09
|
31
|
32
|
22
|
26
|
27
|
36
|
38
|
22
|
23
|
33
|
30
|
30
|
38
|
46
|
49
|
50
|
32
|
32
|
34
|
41
|
22
|
29
|
46
|
53
|
71
|
78
|
59
|
62
|
69
|
10
|
|
|
2024/08
|
39
|
29
|
32
|
17
|
26
|
30
|
25
|
26
|
31
|
16
|
62
|
61
|
54
|
50
|
46
|
37
|
50
|
45
|
48
|
42
|
50
|
47
|
42
|
40
|
32
|
29
|
39
|
40
|
45
|
53
|
48
|
|
2024/07
|
25
|
22
|
26
|
17
|
23
|
29
|
31
|
29
|
20
|
17
|
18
|
21
|
26
|
14
|
19
|
25
|
28
|
19
|
21
|
23
|
22
|
20
|
27
|
29
|
26
|
37
|
38
|
20
|
18
|
23
|
38
|
|
2024/06
|
45
|
28
|
25
|
15
|
25
|
42
|
15
|
21
|
18
|
20
|
21
|
22
|
33
|
38
|
39
|
57
|
28
|
39
|
39
|
34
|
26
|
17
|
25
|
24
|
28
|
41
|
24
|
29
|
22
|
41
|
|
|
2024/05
|
24
|
31
|
17
|
10
|
26
|
56
|
49
|
50
|
32
|
40
|
30
|
22
|
28
|
44
|
38
|
35
|
47
|
30
|
32
|
28
|
28
|
32
|
37
|
46
|
44
|
19
|
26
|
36
|
21
|
15
|
30
|
|
2024/04
|
56
|
57
|
46
|
23
|
36
|
22
|
13
|
13
|
49
|
39
|
29
|
56
|
64
|
70
|
67
|
58
|
26
|
37
|
23
|
32
|
46
|
50
|
29
|
33
|
32
|
41
|
30
|
48
|
48
|
8
|
|
|
2024/03
|
63
|
56
|
71
|
68
|
54
|
52
|
35
|
54
|
46
|
75
|
41
|
75
|
91
|
78
|
71
|
63
|
70
|
24
|
37
|
59
|
69
|
73
|
54
|
71
|
23
|
48
|
62
|
25
|
51
|
64
|
57
|
|
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