Air Quality
Excellent
No health implications.
10
PM2.5
22
PM10
47
O3
0.4
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Mar
109
Light
Sat
28 Mar
101
Light
Sun
29 Mar
104
Light
Mon
30 Mar
59
Good
Tue
31 Mar
77
Good
Wed
1 Apr
79
Good
Thu
2 Apr
33
Excellent
Air quality in the last 12 months (Hailun)
|
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
|
|
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
|
|
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