Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
32
O3
0.7
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
37
Excellent
Mon
18 May
38
Excellent
Tue
19 May
35
Excellent
Wed
20 May
33
Excellent
Thu
21 May
31
Excellent
Fri
22 May
43
Excellent
Sat
23 May
40
Excellent
Air quality in the last 12 months (Donglan)
|
2026/04
|
24
|
53
|
63
|
31
|
61
|
103
|
63
|
75
|
62
|
62
|
61
|
66
|
78
|
78
|
65
|
65
|
26
|
28
|
41
|
48
|
41
|
26
|
20
|
23
|
35
|
47
|
48
|
25
|
23
|
26
|
|
|
2026/03
|
44
|
29
|
15
|
21
|
43
|
49
|
59
|
49
|
15
|
20
|
26
|
38
|
50
|
62
|
62
|
49
|
34
|
34
|
41
|
29
|
30
|
47
|
57
|
50
|
41
|
59
|
52
|
42
|
43
|
47
|
38
|
|
2026/02
|
29
|
42
|
55
|
93
|
114
|
71
|
33
|
16
|
20
|
27
|
29
|
30
|
24
|
41
|
48
|
44
|
29
|
28
|
20
|
37
|
66
|
81
|
72
|
47
|
39
|
48
|
33
|
43
|
|||
|
2026/01
|
22
|
14
|
29
|
36
|
19
|
30
|
42
|
53
|
65
|
75
|
72
|
84
|
80
|
98
|
90
|
98
|
92
|
74
|
62
|
35
|
11
|
20
|
41
|
55
|
55
|
37
|
31
|
35
|
57
|
34
|
19
|
|
2025/12
|
74
|
72
|
59
|
64
|
57
|
60
|
69
|
49
|
58
|
80
|
78
|
69
|
30
|
39
|
47
|
59
|
60
|
53
|
63
|
57
|
40
|
54
|
50
|
15
|
30
|
48
|
57
|
63
|
75
|
73
|
65
|
|
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
|
|
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