Air Quality
Excellent
No health implications.
18
PM2.5
33
PM10
141
O3
0.6
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
54
Good
Thu
15 May
55
Good
Fri
16 May
55
Good
Sat
17 May
49
Excellent
Sun
18 May
49
Excellent
Mon
19 May
46
Excellent
Tue
20 May
35
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