Air Quality
Excellent
No health implications.
17
PM2.5
20
PM10
52
O3
0.4
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
35
Excellent
Tue
18 Mar
40
Excellent
Wed
19 Mar
37
Excellent
Thu
20 Mar
41
Excellent
Fri
21 Mar
42
Excellent
Sat
22 Mar
50
Excellent
Sun
23 Mar
40
Excellent
Air quality in the last 12 months (Daguan)
|
2025/02
|
31
|
27
|
25
|
46
|
28
|
21
|
24
|
28
|
37
|
39
|
51
|
38
|
37
|
43
|
50
|
50
|
54
|
47
|
52
|
31
|
36
|
26
|
27
|
27
|
27
|
36
|
44
|
50
|
|||
|
2025/01
|
85
|
85
|
87
|
94
|
75
|
89
|
50
|
33
|
38
|
44
|
30
|
52
|
54
|
49
|
58
|
57
|
65
|
40
|
50
|
58
|
84
|
76
|
70
|
47
|
26
|
43
|
55
|
62
|
73
|
64
|
41
|
|
2024/12
|
67
|
76
|
58
|
63
|
43
|
44
|
36
|
30
|
32
|
30
|
37
|
37
|
29
|
34
|
36
|
50
|
58
|
71
|
64
|
57
|
53
|
49
|
43
|
43
|
37
|
38
|
53
|
53
|
63
|
40
|
48
|
|
2024/11
|
24
|
33
|
48
|
28
|
28
|
42
|
41
|
36
|
39
|
44
|
42
|
35
|
34
|
41
|
55
|
37
|
27
|
31
|
27
|
28
|
35
|
43
|
46
|
34
|
21
|
23
|
29
|
34
|
47
|
50
|
|
|
2024/10
|
17
|
27
|
24
|
31
|
33
|
24
|
30
|
38
|
35
|
27
|
26
|
24
|
23
|
29
|
35
|
44
|
28
|
38
|
34
|
37
|
26
|
21
|
26
|
46
|
36
|
26
|
24
|
31
|
48
|
49
|
37
|
|
2024/09
|
29
|
22
|
26
|
28
|
29
|
31
|
31
|
25
|
24
|
26
|
32
|
25
|
31
|
35
|
36
|
37
|
26
|
27
|
35
|
38
|
26
|
31
|
37
|
49
|
42
|
43
|
42
|
41
|
43
|
17
|
|
|
2024/08
|
35
|
34
|
40
|
24
|
23
|
27
|
24
|
23
|
27
|
27
|
61
|
47
|
50
|
47
|
42
|
36
|
37
|
35
|
40
|
39
|
41
|
43
|
40
|
42
|
39
|
32
|
41
|
38
|
44
|
42
|
43
|
|
2024/07
|
20
|
26
|
24
|
17
|
19
|
23
|
26
|
22
|
20
|
19
|
14
|
19
|
27
|
21
|
21
|
24
|
28
|
25
|
25
|
25
|
23
|
20
|
27
|
31
|
24
|
35
|
34
|
15
|
18
|
17
|
30
|
|
2024/06
|
43
|
26
|
24
|
19
|
25
|
29
|
14
|
18
|
20
|
22
|
20
|
27
|
36
|
30
|
41
|
44
|
20
|
28
|
23
|
23
|
24
|
20
|
23
|
25
|
27
|
31
|
17
|
21
|
18
|
24
|
|
|
2024/05
|
25
|
28
|
24
|
17
|
36
|
49
|
39
|
40
|
23
|
32
|
22
|
26
|
31
|
42
|
37
|
37
|
42
|
28
|
33
|
34
|
31
|
37
|
37
|
41
|
36
|
21
|
29
|
28
|
19
|
16
|
36
|
|
2024/04
|
42
|
43
|
48
|
27
|
32
|
21
|
21
|
22
|
30
|
36
|
35
|
46
|
43
|
53
|
55
|
53
|
37
|
36
|
29
|
35
|
41
|
46
|
25
|
30
|
32
|
41
|
39
|
44
|
41
|
18
|
|
|
2024/03
|
46
|
36
|
46
|
50
|
45
|
38
|
30
|
37
|
41
|
50
|
31
|
56
|
56
|
46
|
57
|
53
|
60
|
27
|
48
|
48
|
54
|
52
|
41
|
46
|
33
|
37
|
49
|
24
|
38
|
55
|
42
|
|
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