Air Quality
Excellent
No health implications.
28
PM2.5
30
PM10
42
O3
0.5
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
83
Good
Thu
15 May
90
Good
Fri
16 May
89
Good
Sat
17 May
49
Excellent
Sun
18 May
56
Good
Mon
19 May
54
Good
Tue
20 May
45
Excellent
Air quality in the last 12 months (Dongzhou)
|
2025/02
|
85
|
108
|
74
|
61
|
59
|
55
|
56
|
63
|
74
|
57
|
60
|
71
|
133
|
92
|
89
|
56
|
38
|
37
|
47
|
67
|
61
|
65
|
60
|
76
|
88
|
71
|
84
|
120
|
|||
|
2025/01
|
57
|
62
|
65
|
56
|
116
|
139
|
86
|
37
|
67
|
82
|
74
|
82
|
84
|
96
|
49
|
53
|
64
|
59
|
84
|
73
|
62
|
77
|
96
|
78
|
61
|
54
|
111
|
52
|
181
|
86
|
76
|
|
2024/12
|
32
|
27
|
46
|
54
|
59
|
44
|
54
|
70
|
72
|
85
|
64
|
72
|
76
|
70
|
52
|
59
|
59
|
60
|
68
|
73
|
73
|
80
|
79
|
60
|
79
|
56
|
64
|
70
|
53
|
69
|
53
|
|
2024/11
|
108
|
97
|
160
|
28
|
30
|
33
|
34
|
54
|
54
|
49
|
43
|
49
|
30
|
25
|
27
|
30
|
23
|
25
|
36
|
81
|
81
|
39
|
46
|
52
|
45
|
19
|
40
|
45
|
64
|
61
|
|
|
2024/10
|
25
|
33
|
26
|
36
|
47
|
63
|
35
|
47
|
40
|
31
|
35
|
72
|
84
|
48
|
22
|
61
|
116
|
84
|
30
|
29
|
24
|
43
|
46
|
61
|
85
|
127
|
49
|
48
|
95
|
96
|
125
|
|
2024/09
|
30
|
18
|
28
|
27
|
20
|
23
|
22
|
33
|
31
|
23
|
22
|
22
|
31
|
22
|
19
|
35
|
30
|
18
|
27
|
19
|
19
|
20
|
36
|
24
|
26
|
21
|
27
|
34
|
31
|
21
|
|
|
2024/08
|
15
|
23
|
28
|
23
|
14
|
30
|
36
|
45
|
41
|
21
|
24
|
18
|
22
|
25
|
25
|
31
|
36
|
40
|
24
|
20
|
13
|
19
|
18
|
33
|
28
|
27
|
19
|
21
|
32
|
43
|
30
|
|
2024/07
|
39
|
49
|
26
|
52
|
63
|
27
|
37
|
47
|
44
|
46
|
59
|
62
|
51
|
44
|
49
|
26
|
16
|
33
|
31
|
20
|
30
|
16
|
25
|
21
|
12
|
8
|
10
|
10
|
33
|
57
|
14
|
|
2024/06
|
29
|
20
|
23
|
41
|
52
|
36
|
32
|
27
|
35
|
36
|
43
|
45
|
34
|
25
|
25
|
45
|
63
|
63
|
51
|
43
|
45
|
27
|
73
|
18
|
37
|
44
|
44
|
44
|
23
|
29
|
|
|
2024/05
|
35
|
60
|
65
|
58
|
33
|
28
|
41
|
41
|
117
|
59
|
85
|
39
|
51
|
55
|
26
|
17
|
37
|
45
|
22
|
13
|
26
|
33
|
18
|
21
|
21
|
18
|
12
|
31
|
61
|
45
|
20
|
|
2024/04
|
81
|
77
|
51
|
69
|
103
|
121
|
112
|
94
|
116
|
123
|
56
|
50
|
32
|
43
|
154
|
171
|
87
|
65
|
65
|
232
|
170
|
65
|
50
|
50
|
53
|
64
|
68
|
22
|
31
|
38
|
|
|
2024/03
|
44
|
55
|
64
|
61
|
35
|
43
|
67
|
49
|
80
|
82
|
76
|
63
|
79
|
95
|
89
|
83
|
105
|
63
|
62
|
63
|
65
|
37
|
90
|
59
|
53
|
97
|
70
|
192
|
85
|
73
|
64
|
|
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