Air Quality
Excellent
No health implications.
10
PM2.5
22
PM10
55
O3
0.1
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
138
Light
Tue
21 Apr
87
Good
Wed
22 Apr
57
Good
Thu
23 Apr
61
Good
Fri
24 Apr
57
Good
Sat
25 Apr
36
Excellent
Sun
26 Apr
39
Excellent
Air quality in the last 12 months (Didao)
|
2026/03
|
31
|
37
|
68
|
68
|
44
|
47
|
37
|
31
|
35
|
35
|
54
|
52
|
62
|
61
|
67
|
101
|
110
|
139
|
45
|
53
|
115
|
111
|
97
|
113
|
114
|
98
|
194
|
166
|
177
|
52
|
61
|
|
2026/02
|
39
|
38
|
42
|
58
|
37
|
33
|
25
|
22
|
51
|
85
|
56
|
35
|
73
|
60
|
48
|
35
|
48
|
19
|
35
|
63
|
97
|
71
|
93
|
55
|
52
|
60
|
43
|
38
|
|||
|
2026/01
|
23
|
28
|
35
|
36
|
29
|
38
|
40
|
20
|
60
|
59
|
36
|
54
|
52
|
28
|
47
|
32
|
37
|
39
|
46
|
27
|
31
|
24
|
35
|
25
|
24
|
26
|
37
|
49
|
22
|
25
|
31
|
|
2025/12
|
28
|
34
|
23
|
24
|
28
|
40
|
35
|
40
|
27
|
28
|
32
|
28
|
39
|
56
|
50
|
38
|
25
|
61
|
65
|
40
|
29
|
50
|
56
|
37
|
41
|
23
|
31
|
55
|
42
|
28
|
28
|
|
2025/11
|
80
|
82
|
35
|
55
|
123
|
88
|
23
|
54
|
31
|
23
|
38
|
48
|
58
|
45
|
62
|
63
|
39
|
44
|
57
|
37
|
102
|
89
|
57
|
122
|
37
|
57
|
67
|
58
|
56
|
50
|
|
|
2025/10
|
25
|
37
|
44
|
36
|
20
|
29
|
36
|
37
|
30
|
41
|
37
|
32
|
43
|
55
|
53
|
62
|
53
|
26
|
17
|
24
|
29
|
41
|
53
|
54
|
111
|
110
|
66
|
42
|
147
|
38
|
58
|
|
2025/09
|
35
|
22
|
31
|
38
|
38
|
25
|
20
|
23
|
21
|
23
|
21
|
35
|
43
|
35
|
20
|
21
|
15
|
17
|
22
|
29
|
25
|
25
|
35
|
32
|
20
|
13
|
20
|
34
|
31
|
40
|
|
|
2025/08
|
26
|
21
|
23
|
13
|
18
|
20
|
14
|
16
|
21
|
16
|
24
|
41
|
35
|
13
|
25
|
17
|
15
|
23
|
21
|
16
|
24
|
12
|
20
|
21
|
21
|
13
|
20
|
27
|
16
|
25
|
38
|
|
2025/07
|
25
|
18
|
18
|
24
|
29
|
14
|
21
|
24
|
26
|
23
|
28
|
23
|
20
|
16
|
18
|
17
|
17
|
18
|
18
|
21
|
17
|
19
|
22
|
24
|
22
|
13
|
21
|
18
|
20
|
15
|
14
|
|
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
|
|
|
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