Air Quality
Excellent
No health implications.
19
PM2.5
41
PM10
31
O3
0.8
CO
13
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
57
Good
Mon
15 Dec
66
Good
Tue
16 Dec
68
Good
Wed
17 Dec
53
Good
Thu
18 Dec
52
Good
Fri
19 Dec
64
Good
Sat
20 Dec
34
Excellent
Air quality in the last 12 months (Donglan)
|
2025/11
|
18
|
19
|
12
|
10
|
16
|
27
|
40
|
26
|
11
|
14
|
13
|
20
|
30
|
33
|
37
|
34
|
42
|
16
|
16
|
25
|
32
|
35
|
43
|
51
|
43
|
42
|
46
|
44
|
45
|
59
|
|
|
2025/10
|
25
|
28
|
30
|
27
|
30
|
15
|
16
|
24
|
26
|
33
|
36
|
36
|
36
|
23
|
18
|
21
|
30
|
40
|
21
|
14
|
10
|
12
|
20
|
38
|
38
|
21
|
23
|
29
|
40
|
51
|
24
|
|
2025/09
|
22
|
25
|
23
|
25
|
27
|
28
|
32
|
32
|
19
|
22
|
22
|
17
|
21
|
24
|
24
|
21
|
18
|
18
|
25
|
33
|
25
|
22
|
19
|
15
|
9
|
14
|
22
|
23
|
23
|
24
|
|
|
2025/08
|
19
|
29
|
30
|
35
|
32
|
23
|
23
|
28
|
28
|
26
|
25
|
33
|
31
|
27
|
13
|
15
|
20
|
18
|
12
|
14
|
22
|
24
|
26
|
26
|
22
|
21
|
21
|
21
|
30
|
22
|
26
|
|
2025/07
|
21
|
17
|
22
|
23
|
28
|
34
|
33
|
29
|
32
|
22
|
20
|
24
|
25
|
20
|
26
|
29
|
28
|
39
|
28
|
28
|
19
|
11
|
11
|
17
|
22
|
22
|
24
|
31
|
34
|
33
|
22
|
|
2025/06
|
35
|
20
|
17
|
24
|
38
|
39
|
36
|
29
|
31
|
28
|
33
|
29
|
25
|
25
|
27
|
25
|
24
|
22
|
20
|
19
|
17
|
22
|
26
|
27
|
24
|
26
|
24
|
20
|
22
|
20
|
|
|
2025/05
|
32
|
47
|
51
|
35
|
33
|
24
|
26
|
51
|
24
|
24
|
22
|
37
|
45
|
44
|
31
|
24
|
30
|
26
|
32
|
28
|
28
|
28
|
20
|
42
|
38
|
25
|
36
|
37
|
14
|
28
|
34
|
|
2025/04
|
38
|
49
|
60
|
57
|
62
|
86
|
101
|
82
|
80
|
71
|
62
|
56
|
165
|
124
|
84
|
80
|
76
|
67
|
51
|
48
|
43
|
40
|
21
|
26
|
27
|
35
|
43
|
29
|
44
|
39
|
|
|
2025/03
|
43
|
42
|
62
|
48
|
17
|
18
|
33
|
38
|
62
|
37
|
44
|
41
|
32
|
31
|
17
|
21
|
40
|
23
|
32
|
45
|
54
|
71
|
77
|
80
|
93
|
81
|
72
|
77
|
26
|
15
|
30
|
|
2025/02
|
33
|
14
|
22
|
49
|
68
|
28
|
18
|
38
|
56
|
63
|
96
|
83
|
27
|
55
|
27
|
37
|
42
|
25
|
18
|
17
|
12
|
13
|
12
|
19
|
33
|
27
|
39
|
52
|
|||
|
2025/01
|
87
|
97
|
81
|
94
|
70
|
77
|
101
|
82
|
39
|
31
|
48
|
44
|
62
|
86
|
84
|
77
|
77
|
94
|
86
|
94
|
93
|
86
|
107
|
89
|
41
|
12
|
36
|
42
|
81
|
69
|
56
|
|
2024/12
|
69
|
78
|
76
|
74
|
45
|
16
|
13
|
25
|
42
|
54
|
15
|
27
|
40
|
49
|
47
|
59
|
79
|
73
|
65
|
76
|
86
|
91
|
94
|
95
|
94
|
80
|
69
|
53
|
75
|
108
|
86
|
|
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