Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
53
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
35
Excellent
Tue
18 Mar
39
Excellent
Wed
19 Mar
39
Excellent
Thu
20 Mar
40
Excellent
Fri
21 Mar
46
Excellent
Sat
22 Mar
21
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