Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
18
O3
0.5
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jan
54
Good
Wed
21 Jan
56
Good
Thu
22 Jan
57
Good
Fri
23 Jan
64
Good
Sat
24 Jan
69
Good
Sun
25 Jan
20
Excellent
Mon
26 Jan
17
Excellent
Air quality in the last 12 months (Dongkou)
|
2025/11
|
43
|
30
|
20
|
23
|
34
|
31
|
35
|
10
|
8
|
10
|
36
|
50
|
41
|
48
|
53
|
63
|
55
|
26
|
32
|
42
|
44
|
51
|
57
|
56
|
55
|
56
|
75
|
69
|
64
|
73
|
|
|
2025/10
|
55
|
37
|
34
|
46
|
52
|
28
|
27
|
48
|
44
|
41
|
43
|
58
|
58
|
33
|
43
|
40
|
37
|
15
|
11
|
9
|
11
|
29
|
39
|
43
|
57
|
50
|
43
|
56
|
67
|
74
|
49
|
|
2025/09
|
38
|
35
|
32
|
30
|
45
|
46
|
46
|
43
|
20
|
24
|
24
|
22
|
26
|
31
|
38
|
38
|
29
|
34
|
37
|
22
|
34
|
25
|
22
|
16
|
17
|
20
|
32
|
43
|
44
|
45
|
|
|
2025/08
|
39
|
42
|
36
|
33
|
35
|
23
|
15
|
22
|
28
|
29
|
34
|
36
|
36
|
24
|
14
|
23
|
32
|
34
|
21
|
22
|
19
|
22
|
30
|
33
|
29
|
31
|
35
|
29
|
33
|
34
|
33
|
|
2025/07
|
21
|
16
|
22
|
27
|
34
|
48
|
41
|
41
|
43
|
31
|
31
|
39
|
36
|
33
|
26
|
29
|
29
|
34
|
35
|
31
|
13
|
12
|
14
|
25
|
26
|
36
|
35
|
27
|
34
|
31
|
32
|
|
2025/06
|
24
|
22
|
40
|
45
|
47
|
44
|
29
|
23
|
39
|
43
|
39
|
29
|
31
|
25
|
23
|
32
|
16
|
13
|
14
|
19
|
20
|
11
|
16
|
15
|
31
|
33
|
26
|
18
|
21
|
20
|
|
|
2025/05
|
49
|
64
|
61
|
49
|
41
|
52
|
57
|
49
|
28
|
40
|
36
|
52
|
61
|
68
|
59
|
27
|
44
|
35
|
42
|
27
|
25
|
32
|
38
|
54
|
56
|
41
|
36
|
11
|
27
|
33
|
27
|
|
2025/04
|
53
|
59
|
68
|
110
|
112
|
84
|
87
|
104
|
92
|
65
|
60
|
116
|
185
|
120
|
94
|
90
|
75
|
71
|
35
|
36
|
44
|
31
|
55
|
35
|
41
|
45
|
31
|
43
|
60
|
44
|
|
|
2025/03
|
47
|
40
|
20
|
22
|
26
|
38
|
43
|
51
|
55
|
49
|
47
|
52
|
55
|
29
|
19
|
46
|
42
|
41
|
48
|
52
|
63
|
69
|
78
|
75
|
86
|
90
|
100
|
76
|
44
|
22
|
44
|
|
2025/02
|
25
|
17
|
55
|
66
|
75
|
75
|
56
|
74
|
51
|
53
|
65
|
66
|
74
|
76
|
44
|
53
|
40
|
45
|
41
|
33
|
95
|
31
|
47
|
95
|
68
|
48
|
41
|
42
|
|||
|
2025/01
|
124
|
123
|
140
|
179
|
167
|
107
|
91
|
78
|
53
|
66
|
77
|
82
|
85
|
90
|
79
|
71
|
83
|
111
|
108
|
102
|
114
|
138
|
174
|
199
|
34
|
28
|
57
|
98
|
264
|
139
|
49
|
|
2024/12
|
68
|
72
|
96
|
117
|
35
|
35
|
45
|
60
|
91
|
37
|
35
|
66
|
75
|
53
|
56
|
60
|
74
|
68
|
88
|
103
|
101
|
83
|
78
|
100
|
105
|
100
|
92
|
136
|
135
|
123
|
98
|
|
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