Air Quality
Excellent
No health implications.
20
PM2.5
36
PM10
83
O3
0.3
CO
9
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
45
Excellent
Sun
24 May
76
Good
Mon
25 May
49
Excellent
Tue
26 May
47
Excellent
Wed
27 May
41
Excellent
Thu
28 May
47
Excellent
Fri
29 May
16
Excellent
Air quality in the last 12 months (Hailun)
|
2026/04
|
67
|
118
|
64
|
44
|
49
|
39
|
24
|
63
|
29
|
30
|
29
|
29
|
24
|
33
|
55
|
47
|
53
|
26
|
22
|
49
|
25
|
22
|
23
|
30
|
29
|
23
|
24
|
26
|
32
|
61
|
|
|
2026/03
|
31
|
28
|
41
|
55
|
49
|
34
|
36
|
52
|
37
|
41
|
28
|
32
|
41
|
41
|
32
|
28
|
55
|
52
|
47
|
46
|
174
|
89
|
58
|
156
|
162
|
88
|
67
|
105
|
142
|
61
|
100
|
|
2026/02
|
66
|
57
|
58
|
71
|
44
|
23
|
39
|
43
|
79
|
95
|
66
|
60
|
93
|
65
|
18
|
59
|
70
|
31
|
59
|
75
|
91
|
51
|
25
|
23
|
49
|
27
|
24
|
22
|
|||
|
2026/01
|
35
|
60
|
87
|
36
|
34
|
74
|
34
|
45
|
70
|
50
|
65
|
80
|
68
|
56
|
71
|
68
|
50
|
84
|
65
|
49
|
47
|
40
|
55
|
46
|
34
|
66
|
75
|
48
|
39
|
37
|
60
|
|
2025/12
|
46
|
34
|
53
|
45
|
49
|
65
|
85
|
60
|
56
|
38
|
30
|
39
|
75
|
97
|
60
|
39
|
70
|
78
|
63
|
40
|
56
|
61
|
55
|
63
|
47
|
44
|
81
|
92
|
43
|
43
|
33
|
|
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
|
|
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