Air Quality
Excellent
No health implications.
29
PM2.5
46
PM10
103
O3
0.3
CO
10
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
90
Good
Mon
29 Apr
66
Good
Tue
30 Apr
62
Good
Wed
1 May
62
Good
Thu
2 May
60
Good
Fri
3 May
66
Good
Sat
4 May
66
Good
Air quality in the last 12 months (Didao)
|
2024/02
|
29
|
43
|
47
|
50
|
46
|
70
|
56
|
51
|
108
|
205
|
80
|
50
|
63
|
41
|
26
|
36
|
57
|
48
|
36
|
24
|
26
|
24
|
31
|
83
|
80
|
45
|
39
|
51
|
48
|
||
|
2024/01
|
71
|
82
|
120
|
114
|
99
|
72
|
52
|
44
|
49
|
50
|
78
|
73
|
55
|
56
|
21
|
29
|
57
|
48
|
52
|
51
|
34
|
34
|
27
|
56
|
35
|
70
|
108
|
127
|
92
|
75
|
52
|
|
2023/12
|
33
|
44
|
60
|
38
|
67
|
56
|
26
|
40
|
33
|
23
|
31
|
49
|
38
|
50
|
53
|
27
|
25
|
40
|
66
|
38
|
34
|
39
|
49
|
75
|
62
|
70
|
48
|
70
|
75
|
89
|
38
|
|
2023/11
|
73
|
55
|
32
|
32
|
32
|
32
|
33
|
41
|
56
|
32
|
30
|
30
|
24
|
43
|
67
|
83
|
36
|
25
|
35
|
29
|
42
|
59
|
19
|
22
|
23
|
45
|
90
|
50
|
34
|
21
|
|
|
2023/10
|
18
|
22
|
31
|
24
|
17
|
20
|
31
|
42
|
42
|
35
|
33
|
32
|
38
|
49
|
48
|
34
|
34
|
52
|
18
|
16
|
19
|
27
|
43
|
56
|
59
|
44
|
33
|
41
|
60
|
85
|
125
|
|
2023/09
|
22
|
23
|
30
|
45
|
25
|
27
|
40
|
43
|
39
|
40
|
24
|
19
|
24
|
28
|
34
|
33
|
43
|
33
|
19
|
20
|
25
|
23
|
18
|
40
|
40
|
38
|
30
|
20
|
21
|
25
|
|
|
2023/08
|
26
|
22
|
14
|
10
|
12
|
15
|
15
|
10
|
17
|
18
|
14
|
16
|
16
|
14
|
21
|
26
|
30
|
36
|
25
|
38
|
29
|
22
|
37
|
27
|
35
|
20
|
28
|
27
|
16
|
17
|
22
|
|
2023/07
|
29
|
31
|
32
|
23
|
23
|
22
|
28
|
31
|
34
|
23
|
23
|
30
|
42
|
23
|
14
|
14
|
15
|
20
|
23
|
25
|
35
|
43
|
16
|
23
|
28
|
37
|
35
|
29
|
24
|
23
|
23
|
|
2023/06
|
29
|
19
|
16
|
19
|
22
|
22
|
25
|
27
|
26
|
22
|
24
|
31
|
32
|
34
|
40
|
60
|
30
|
28
|
30
|
36
|
21
|
21
|
28
|
41
|
39
|
57
|
26
|
20
|
33
|
31
|
|
|
2023/05
|
26
|
34
|
60
|
55
|
35
|
35
|
40
|
49
|
28
|
27
|
40
|
48
|
41
|
37
|
33
|
37
|
24
|
33
|
35
|
38
|
210
|
27
|
47
|
39
|
42
|
37
|
32
|
28
|
24
|
23
|
33
|
|
2023/04
|
62
|
139
|
129
|
76
|
123
|
84
|
107
|
80
|
90
|
117
|
212
|
279
|
54
|
75
|
121
|
34
|
41
|
35
|
33
|
151
|
65
|
30
|
35
|
41
|
66
|
29
|
41
|
55
|
39
|
23
|
|
|
2023/03
|
30
|
32
|
31
|
31
|
41
|
80
|
88
|
37
|
40
|
56
|
47
|
44
|
31
|
48
|
43
|
33
|
30
|
30
|
33
|
53
|
69
|
174
|
263
|
58
|
56
|
58
|
59
|
66
|
60
|
70
|
97
|
|
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