Air Quality
Excellent
No health implications.
17
PM2.5
23
PM10
46
O3
0.3
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Dec
64
Good
Fri
12 Dec
76
Good
Sat
13 Dec
111
Light
Sun
14 Dec
118
Light
Mon
15 Dec
75
Good
Tue
16 Dec
34
Excellent
Wed
17 Dec
29
Excellent
Hailun Air quality rank
Air quality in the last 12 months (Hailun)
|
2025/11
|
168
|
19
|
50
|
57
|
137
|
97
|
17
|
79
|
70
|
21
|
34
|
69
|
28
|
45
|
75
|
63
|
24
|
48
|
152
|
80
|
74
|
206
|
256
|
40
|
37
|
197
|
94
|
82
|
54
|
30
|
|
|
2025/10
|
34
|
35
|
47
|
27
|
18
|
26
|
35
|
21
|
33
|
36
|
42
|
21
|
37
|
30
|
51
|
41
|
109
|
18
|
21
|
20
|
31
|
32
|
35
|
46
|
125
|
57
|
40
|
42
|
123
|
88
|
75
|
|
2025/09
|
19
|
19
|
29
|
43
|
38
|
17
|
20
|
18
|
15
|
21
|
19
|
29
|
25
|
25
|
16
|
16
|
15
|
18
|
26
|
22
|
17
|
24
|
35
|
21
|
13
|
19
|
23
|
27
|
27
|
47
|
|
|
2025/08
|
20
|
20
|
12
|
13
|
17
|
13
|
10
|
17
|
13
|
10
|
12
|
17
|
14
|
12
|
18
|
9
|
15
|
19
|
17
|
16
|
21
|
11
|
19
|
15
|
26
|
16
|
21
|
23
|
21
|
17
|
31
|
|
2025/07
|
20
|
18
|
19
|
20
|
14
|
15
|
15
|
21
|
19
|
25
|
34
|
21
|
14
|
17
|
20
|
16
|
18
|
15
|
21
|
16
|
13
|
21
|
26
|
28
|
15
|
21
|
18
|
17
|
14
|
11
|
15
|
|
2025/06
|
14
|
20
|
20
|
17
|
16
|
12
|
16
|
24
|
15
|
16
|
12
|
26
|
32
|
18
|
21
|
19
|
14
|
25
|
17
|
15
|
11
|
16
|
26
|
34
|
40
|
42
|
46
|
31
|
19
|
33
|
|
|
2025/05
|
52
|
34
|
29
|
24
|
20
|
26
|
31
|
38
|
19
|
27
|
48
|
80
|
58
|
37
|
63
|
25
|
16
|
21
|
19
|
19
|
15
|
14
|
23
|
21
|
24
|
34
|
36
|
48
|
45
|
46
|
45
|
|
2025/04
|
68
|
50
|
54
|
51
|
49
|
52
|
57
|
45
|
60
|
95
|
69
|
83
|
32
|
21
|
15
|
20
|
61
|
49
|
23
|
85
|
128
|
16
|
31
|
24
|
13
|
17
|
57
|
68
|
69
|
53
|
|
|
2025/03
|
21
|
30
|
44
|
46
|
49
|
52
|
44
|
35
|
61
|
105
|
45
|
46
|
18
|
18
|
21
|
24
|
21
|
24
|
39
|
66
|
13
|
10
|
28
|
29
|
21
|
28
|
16
|
17
|
14
|
21
|
44
|
|
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
|
|
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