Air Quality
Excellent
No health implications.
28
PM2.5
43
PM10
55
O3
0.4
CO
10
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Mar
57
Good
Tue
25 Mar
60
Good
Wed
26 Mar
78
Good
Thu
27 Mar
57
Good
Fri
28 Mar
58
Good
Sat
29 Mar
30
Excellent
Sun
30 Mar
47
Excellent
Air quality in the last 12 months (Didao)
|
2025/02
|
47
|
81
|
63
|
39
|
23
|
17
|
30
|
26
|
24
|
35
|
49
|
66
|
21
|
26
|
38
|
40
|
28
|
22
|
20
|
25
|
27
|
24
|
19
|
25
|
46
|
24
|
48
|
63
|
|||
|
2025/01
|
63
|
49
|
40
|
42
|
77
|
68
|
61
|
54
|
36
|
35
|
53
|
70
|
65
|
51
|
38
|
46
|
49
|
84
|
85
|
98
|
132
|
140
|
99
|
69
|
66
|
77
|
64
|
61
|
46
|
42
|
34
|
|
2024/12
|
30
|
24
|
23
|
18
|
15
|
26
|
19
|
25
|
35
|
43
|
26
|
27
|
27
|
32
|
25
|
26
|
32
|
26
|
30
|
52
|
50
|
47
|
37
|
29
|
39
|
30
|
23
|
30
|
35
|
65
|
71
|
|
2024/11
|
55
|
49
|
52
|
40
|
40
|
21
|
48
|
69
|
84
|
60
|
61
|
121
|
145
|
85
|
84
|
63
|
21
|
22
|
41
|
51
|
64
|
33
|
27
|
42
|
53
|
24
|
28
|
44
|
28
|
21
|
|
|
2024/10
|
12
|
21
|
30
|
40
|
44
|
44
|
30
|
47
|
52
|
39
|
28
|
29
|
40
|
48
|
21
|
32
|
44
|
44
|
33
|
36
|
35
|
33
|
33
|
41
|
52
|
47
|
27
|
41
|
47
|
48
|
58
|
|
2024/09
|
23
|
14
|
23
|
41
|
11
|
21
|
22
|
32
|
39
|
17
|
23
|
33
|
26
|
24
|
22
|
37
|
24
|
26
|
32
|
19
|
24
|
27
|
42
|
38
|
28
|
19
|
37
|
38
|
41
|
27
|
|
|
2024/08
|
17
|
16
|
18
|
19
|
18
|
15
|
29
|
30
|
31
|
37
|
14
|
16
|
22
|
25
|
32
|
32
|
31
|
36
|
13
|
27
|
26
|
24
|
23
|
33
|
34
|
29
|
24
|
31
|
38
|
28
|
18
|
|
2024/07
|
69
|
65
|
54
|
28
|
30
|
53
|
49
|
60
|
58
|
43
|
64
|
45
|
33
|
43
|
55
|
53
|
35
|
20
|
24
|
38
|
34
|
27
|
31
|
24
|
26
|
14
|
13
|
16
|
18
|
19
|
28
|
|
2024/06
|
12
|
21
|
29
|
20
|
26
|
31
|
36
|
30
|
18
|
20
|
37
|
22
|
23
|
16
|
18
|
14
|
23
|
21
|
35
|
32
|
12
|
9
|
7
|
8
|
15
|
21
|
24
|
50
|
50
|
48
|
|
|
2024/05
|
45
|
61
|
56
|
57
|
68
|
67
|
41
|
41
|
34
|
36
|
27
|
21
|
27
|
30
|
34
|
24
|
43
|
53
|
27
|
22
|
25
|
43
|
31
|
20
|
22
|
23
|
14
|
21
|
16
|
18
|
13
|
|
2024/04
|
32
|
30
|
59
|
25
|
38
|
62
|
30
|
20
|
44
|
53
|
67
|
64
|
54
|
65
|
186
|
45
|
42
|
67
|
51
|
85
|
117
|
70
|
56
|
37
|
63
|
55
|
54
|
64
|
62
|
38
|
|
|
2024/03
|
40
|
29
|
34
|
33
|
33
|
32
|
38
|
39
|
20
|
40
|
66
|
46
|
51
|
51
|
34
|
18
|
19
|
25
|
33
|
28
|
33
|
37
|
21
|
20
|
28
|
45
|
44
|
70
|
80
|
43
|
43
|
|
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