Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
42
O3
0.3
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Nov
40
Excellent
Wed
5 Nov
39
Excellent
Thu
6 Nov
33
Excellent
Fri
7 Nov
32
Excellent
Sat
8 Nov
35
Excellent
Sun
9 Nov
38
Excellent
Mon
10 Nov
33
Excellent
Air quality in the last 12 months (Meitan)
|
2025/08
|
24
|
22
|
23
|
25
|
26
|
24
|
24
|
16
|
18
|
20
|
19
|
21
|
26
|
20
|
15
|
16
|
19
|
19
|
18
|
19
|
18
|
17
|
22
|
21
|
21
|
20
|
21
|
21
|
33
|
37
|
32
|
|
2025/07
|
20
|
18
|
19
|
19
|
22
|
27
|
25
|
27
|
27
|
23
|
22
|
29
|
25
|
25
|
21
|
21
|
22
|
27
|
27
|
26
|
21
|
21
|
18
|
17
|
18
|
21
|
23
|
24
|
23
|
24
|
20
|
|
2025/06
|
21
|
21
|
24
|
25
|
26
|
28
|
37
|
37
|
30
|
26
|
29
|
30
|
28
|
23
|
28
|
26
|
20
|
22
|
19
|
17
|
23
|
19
|
17
|
17
|
19
|
18
|
19
|
17
|
18
|
22
|
|
|
2025/05
|
41
|
53
|
46
|
31
|
34
|
31
|
27
|
26
|
35
|
30
|
37
|
36
|
37
|
49
|
42
|
37
|
36
|
36
|
48
|
40
|
28
|
22
|
28
|
39
|
38
|
34
|
19
|
17
|
22
|
23
|
18
|
|
2025/04
|
42
|
48
|
52
|
60
|
61
|
62
|
63
|
71
|
71
|
56
|
58
|
101
|
183
|
93
|
73
|
65
|
50
|
56
|
33
|
25
|
34
|
30
|
35
|
28
|
37
|
35
|
26
|
32
|
37
|
21
|
|
|
2025/03
|
50
|
74
|
54
|
31
|
26
|
32
|
37
|
40
|
34
|
39
|
39
|
58
|
57
|
37
|
30
|
37
|
37
|
33
|
40
|
43
|
58
|
63
|
63
|
56
|
61
|
63
|
65
|
67
|
31
|
31
|
40
|
|
2025/02
|
39
|
28
|
39
|
43
|
52
|
42
|
38
|
56
|
54
|
56
|
52
|
69
|
55
|
31
|
39
|
44
|
40
|
39
|
33
|
29
|
44
|
31
|
35
|
54
|
39
|
46
|
41
|
49
|
|||
|
2025/01
|
88
|
92
|
87
|
94
|
97
|
81
|
62
|
51
|
36
|
46
|
57
|
52
|
58
|
72
|
63
|
74
|
65
|
65
|
61
|
84
|
86
|
102
|
110
|
73
|
29
|
31
|
46
|
60
|
144
|
65
|
50
|
|
2024/12
|
67
|
80
|
63
|
52
|
25
|
33
|
32
|
41
|
34
|
21
|
27
|
44
|
60
|
55
|
51
|
55
|
64
|
68
|
68
|
90
|
108
|
72
|
69
|
77
|
80
|
75
|
82
|
87
|
83
|
67
|
66
|
|
2024/11
|
59
|
37
|
49
|
48
|
47
|
53
|
47
|
47
|
43
|
40
|
43
|
48
|
60
|
49
|
64
|
58
|
27
|
17
|
16
|
20
|
17
|
22
|
32
|
18
|
19
|
21
|
30
|
35
|
37
|
49
|
|
|
2024/10
|
19
|
19
|
29
|
35
|
37
|
46
|
46
|
30
|
33
|
53
|
60
|
57
|
40
|
23
|
27
|
22
|
23
|
28
|
21
|
16
|
17
|
19
|
21
|
20
|
31
|
36
|
47
|
38
|
31
|
36
|
55
|
|
2024/09
|
24
|
24
|
22
|
20
|
27
|
32
|
31
|
24
|
19
|
23
|
28
|
27
|
31
|
25
|
23
|
35
|
27
|
24
|
25
|
33
|
31
|
24
|
32
|
32
|
41
|
49
|
41
|
35
|
33
|
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