Air Quality
Excellent
No health implications.
9
PM2.5
12
PM10
51
O3
0.5
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
39
Excellent
Tue
18 Mar
43
Excellent
Wed
19 Mar
51
Good
Thu
20 Mar
55
Good
Fri
21 Mar
61
Good
Sat
22 Mar
60
Good
Sun
23 Mar
39
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