Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
61
O3
0.3
CO
5
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Apr
57
Good
Sun
19 Apr
67
Good
Mon
20 Apr
143
Light
Tue
21 Apr
71
Good
Wed
22 Apr
56
Good
Thu
23 Apr
61
Good
Fri
24 Apr
26
Excellent
Air quality in the last 12 months (Hailun)
|
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
|
|
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
|
|
|
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