Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
89
O3
0.3
CO
10
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jul
45
Excellent
Fri
1 Aug
48
Excellent
Sat
2 Aug
48
Excellent
Sun
3 Aug
50
Excellent
Mon
4 Aug
52
Good
Tue
5 Aug
49
Excellent
Wed
6 Aug
17
Excellent
Air quality in the last 12 months (Didao)
|
2025/06
|
48
|
27
|
18
|
14
|
18
|
20
|
17
|
26
|
28
|
17
|
15
|
18
|
28
|
26
|
18
|
21
|
18
|
23
|
22
|
20
|
15
|
15
|
24
|
35
|
40
|
47
|
33
|
47
|
27
|
25
|
|
|
2025/05
|
34
|
27
|
24
|
21
|
19
|
30
|
33
|
33
|
32
|
17
|
38
|
46
|
44
|
36
|
19
|
36
|
30
|
16
|
20
|
26
|
27
|
17
|
18
|
25
|
18
|
22
|
26
|
35
|
40
|
46
|
48
|
|
2025/04
|
70
|
55
|
45
|
50
|
52
|
18
|
26
|
56
|
59
|
76
|
144
|
90
|
38
|
29
|
23
|
29
|
51
|
42
|
28
|
57
|
85
|
27
|
32
|
31
|
36
|
16
|
32
|
49
|
37
|
39
|
|
|
2025/03
|
20
|
19
|
21
|
36
|
49
|
38
|
32
|
62
|
65
|
64
|
74
|
78
|
21
|
23
|
19
|
22
|
28
|
32
|
37
|
66
|
79
|
12
|
41
|
49
|
75
|
72
|
26
|
16
|
23
|
21
|
36
|
|
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
|
|
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