Air Quality
Excellent
No health implications.
20
PM2.5
33
PM10
79
O3
0.3
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
76
Good
Fri
20 Mar
75
Good
Sat
21 Mar
112
Light
Sun
22 Mar
110
Light
Mon
23 Mar
79
Good
Tue
24 Mar
76
Good
Wed
25 Mar
25
Excellent
Hailun Air quality rank
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