Air Quality
Excellent
No health implications.
11
PM2.5
17
PM10
61
O3
0.4
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
52
Good
Tue
6 May
53
Good
Wed
7 May
69
Good
Thu
8 May
54
Good
Fri
9 May
50
Excellent
Sat
10 May
27
Excellent
Sun
11 May
49
Excellent
Air quality in the last 12 months (Hailun)
|
2025/02
|
100
|
153
|
134
|
50
|
48
|
57
|
35
|
25
|
48
|
75
|
92
|
99
|
75
|
44
|
44
|
36
|
26
|
28
|
30
|
35
|
34
|
32
|
47
|
38
|
47
|
33
|
57
|
47
|
|||
|
2025/01
|
151
|
150
|
128
|
177
|
95
|
82
|
100
|
38
|
55
|
125
|
154
|
196
|
145
|
169
|
66
|
54
|
74
|
92
|
144
|
126
|
112
|
103
|
179
|
235
|
213
|
127
|
71
|
67
|
70
|
49
|
75
|
|
2024/12
|
62
|
33
|
36
|
34
|
46
|
31
|
46
|
59
|
114
|
141
|
43
|
76
|
117
|
83
|
53
|
52
|
58
|
69
|
103
|
196
|
84
|
52
|
47
|
64
|
61
|
36
|
51
|
64
|
69
|
73
|
108
|
|
2024/11
|
91
|
80
|
75
|
40
|
63
|
71
|
92
|
110
|
207
|
133
|
263
|
128
|
185
|
308
|
286
|
83
|
28
|
37
|
105
|
122
|
177
|
31
|
55
|
77
|
92
|
69
|
34
|
53
|
36
|
55
|
|
|
2024/10
|
19
|
24
|
24
|
36
|
48
|
23
|
54
|
72
|
50
|
29
|
25
|
29
|
44
|
50
|
12
|
18
|
40
|
36
|
21
|
46
|
36
|
49
|
37
|
90
|
81
|
104
|
90
|
72
|
79
|
136
|
117
|
|
2024/09
|
11
|
17
|
17
|
25
|
11
|
16
|
19
|
17
|
25
|
21
|
15
|
23
|
13
|
20
|
21
|
25
|
24
|
20
|
15
|
16
|
19
|
17
|
26
|
29
|
18
|
20
|
31
|
20
|
38
|
19
|
|
|
2024/08
|
11
|
11
|
12
|
12
|
13
|
14
|
17
|
12
|
21
|
23
|
11
|
8
|
13
|
14
|
16
|
26
|
30
|
22
|
16
|
19
|
19
|
14
|
23
|
26
|
26
|
13
|
17
|
19
|
20
|
12
|
11
|
|
2024/07
|
37
|
37
|
49
|
39
|
38
|
51
|
86
|
79
|
59
|
79
|
82
|
65
|
80
|
60
|
54
|
43
|
23
|
21
|
23
|
21
|
9
|
13
|
11
|
11
|
11
|
10
|
8
|
10
|
10
|
12
|
14
|
|
2024/06
|
21
|
22
|
22
|
13
|
20
|
27
|
31
|
19
|
14
|
19
|
18
|
14
|
17
|
14
|
12
|
13
|
12
|
16
|
24
|
23
|
12
|
11
|
11
|
15
|
20
|
25
|
27
|
43
|
32
|
45
|
|
|
2024/05
|
47
|
47
|
47
|
77
|
67
|
40
|
38
|
51
|
23
|
24
|
18
|
28
|
24
|
14
|
13
|
17
|
34
|
24
|
25
|
24
|
36
|
43
|
11
|
17
|
22
|
19
|
19
|
27
|
12
|
14
|
20
|
|
2024/04
|
21
|
51
|
43
|
23
|
49
|
48
|
25
|
33
|
57
|
131
|
147
|
89
|
67
|
69
|
95
|
35
|
29
|
30
|
24
|
79
|
206
|
218
|
26
|
45
|
43
|
17
|
24
|
17
|
35
|
51
|
|
|
2024/03
|
27
|
33
|
50
|
39
|
43
|
39
|
52
|
24
|
40
|
65
|
54
|
38
|
50
|
41
|
25
|
24
|
22
|
24
|
31
|
31
|
33
|
29
|
47
|
19
|
31
|
58
|
52
|
187
|
38
|
25
|
18
|
|
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