Air Quality
Excellent
No health implications.
20
PM2.5
45
PM10
140
O3
0.4
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
102
Light
Mon
26 May
108
Light
Tue
27 May
115
Light
Wed
28 May
129
Light
Thu
29 May
133
Light
Fri
30 May
133
Light
Sat
31 May
29
Excellent
Dongchangfu Air quality rank
Air quality in the last 12 months (Dongchangfu)
|
2025/04
|
74
|
40
|
61
|
83
|
59
|
83
|
94
|
88
|
80
|
92
|
88
|
160
|
65
|
57
|
61
|
94
|
161
|
99
|
47
|
69
|
60
|
72
|
75
|
69
|
72
|
73
|
63
|
55
|
59
|
87
|
|
|
2025/03
|
128
|
43
|
41
|
43
|
80
|
75
|
94
|
86
|
106
|
97
|
101
|
157
|
109
|
64
|
67
|
36
|
58
|
38
|
61
|
58
|
59
|
70
|
99
|
152
|
164
|
110
|
122
|
196
|
44
|
62
|
83
|
|
2025/02
|
99
|
129
|
48
|
31
|
54
|
111
|
75
|
28
|
61
|
75
|
89
|
107
|
108
|
83
|
96
|
62
|
53
|
73
|
57
|
73
|
90
|
54
|
42
|
61
|
70
|
106
|
117
|
120
|
|||
|
2025/01
|
151
|
77
|
89
|
174
|
188
|
43
|
58
|
52
|
50
|
62
|
108
|
80
|
83
|
102
|
53
|
73
|
85
|
116
|
110
|
87
|
185
|
88
|
93
|
189
|
82
|
86
|
32
|
60
|
173
|
119
|
75
|
|
2024/12
|
116
|
73
|
63
|
124
|
132
|
159
|
44
|
74
|
74
|
111
|
78
|
74
|
84
|
81
|
77
|
84
|
78
|
34
|
69
|
92
|
43
|
60
|
79
|
120
|
176
|
69
|
62
|
68
|
87
|
105
|
108
|
|
2024/11
|
82
|
62
|
106
|
51
|
46
|
63
|
63
|
55
|
56
|
83
|
127
|
177
|
144
|
92
|
77
|
72
|
59
|
44
|
57
|
81
|
98
|
73
|
63
|
63
|
51
|
32
|
49
|
50
|
58
|
74
|
|
|
2024/10
|
38
|
22
|
42
|
65
|
57
|
64
|
85
|
56
|
88
|
81
|
71
|
76
|
87
|
96
|
120
|
90
|
67
|
19
|
34
|
32
|
51
|
63
|
72
|
65
|
85
|
111
|
117
|
61
|
100
|
146
|
181
|
|
2024/09
|
45
|
26
|
34
|
49
|
30
|
27
|
51
|
54
|
44
|
33
|
31
|
33
|
37
|
41
|
30
|
39
|
45
|
50
|
66
|
50
|
21
|
27
|
45
|
60
|
65
|
98
|
82
|
60
|
51
|
31
|
|
|
2024/08
|
24
|
29
|
30
|
26
|
24
|
19
|
25
|
34
|
42
|
53
|
60
|
28
|
33
|
43
|
54
|
60
|
50
|
44
|
20
|
25
|
38
|
42
|
45
|
56
|
63
|
27
|
23
|
30
|
45
|
46
|
48
|
|
2024/07
|
31
|
56
|
43
|
30
|
22
|
16
|
23
|
27
|
50
|
55
|
68
|
61
|
76
|
74
|
53
|
34
|
51
|
41
|
25
|
11
|
31
|
32
|
26
|
46
|
26
|
23
|
29
|
18
|
14
|
20
|
17
|
|
2024/06
|
45
|
74
|
70
|
70
|
66
|
74
|
72
|
62
|
68
|
75
|
75
|
72
|
105
|
67
|
61
|
40
|
43
|
58
|
52
|
53
|
59
|
60
|
117
|
100
|
88
|
70
|
52
|
61
|
46
|
35
|
|
|
2024/05
|
48
|
62
|
59
|
43
|
58
|
63
|
66
|
70
|
63
|
61
|
192
|
103
|
95
|
88
|
49
|
64
|
69
|
81
|
68
|
57
|
58
|
59
|
60
|
70
|
69
|
52
|
42
|
44
|
62
|
60
|
56
|
|
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