Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
66
*
PM10
135
O3
0.5
CO
4
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Apr
75
Good
Tue
29 Apr
70
Good
Wed
30 Apr
60
Good
Thu
1 May
47
Excellent
Fri
2 May
45
Excellent
Sat
3 May
46
Excellent
Sun
4 May
37
Excellent
Air quality in the last 12 months (Huailai)
|
2025/02
|
85
|
47
|
9
|
18
|
23
|
52
|
13
|
15
|
25
|
49
|
80
|
30
|
46
|
50
|
69
|
21
|
19
|
26
|
20
|
19
|
19
|
19
|
15
|
34
|
32
|
44
|
78
|
86
|
|||
|
2025/01
|
46
|
25
|
27
|
38
|
38
|
12
|
11
|
19
|
18
|
22
|
44
|
28
|
32
|
19
|
25
|
43
|
54
|
56
|
37
|
50
|
39
|
37
|
71
|
87
|
114
|
105
|
13
|
19
|
83
|
49
|
71
|
|
2024/12
|
38
|
14
|
25
|
27
|
16
|
16
|
13
|
25
|
39
|
43
|
42
|
51
|
24
|
23
|
33
|
35
|
20
|
22
|
36
|
34
|
19
|
31
|
43
|
58
|
56
|
23
|
17
|
42
|
70
|
69
|
46
|
|
2024/11
|
67
|
79
|
48
|
14
|
28
|
36
|
73
|
130
|
167
|
121
|
72
|
60
|
93
|
64
|
48
|
47
|
29
|
41
|
65
|
58
|
26
|
25
|
53
|
92
|
34
|
13
|
14
|
16
|
22
|
32
|
|
|
2024/10
|
7
|
17
|
27
|
48
|
69
|
73
|
17
|
25
|
44
|
18
|
39
|
65
|
99
|
61
|
34
|
49
|
59
|
23
|
9
|
23
|
43
|
17
|
33
|
41
|
104
|
154
|
16
|
32
|
46
|
51
|
133
|
|
2024/09
|
21
|
11
|
21
|
41
|
10
|
18
|
15
|
25
|
38
|
12
|
17
|
16
|
22
|
13
|
19
|
31
|
21
|
37
|
47
|
22
|
7
|
11
|
26
|
45
|
25
|
35
|
54
|
54
|
52
|
8
|
|
|
2024/08
|
16
|
29
|
28
|
20
|
16
|
28
|
43
|
36
|
33
|
38
|
10
|
12
|
11
|
20
|
33
|
36
|
28
|
20
|
17
|
14
|
12
|
19
|
24
|
25
|
23
|
9
|
16
|
20
|
29
|
38
|
49
|
|
2024/07
|
18
|
29
|
31
|
42
|
48
|
28
|
32
|
35
|
57
|
61
|
61
|
42
|
33
|
52
|
57
|
27
|
14
|
22
|
33
|
26
|
51
|
35
|
53
|
42
|
13
|
20
|
37
|
29
|
26
|
22
|
14
|
|
2024/06
|
26
|
34
|
39
|
50
|
54
|
51
|
23
|
29
|
27
|
24
|
28
|
38
|
41
|
23
|
22
|
33
|
47
|
53
|
50
|
60
|
39
|
272
|
133
|
20
|
23
|
54
|
63
|
54
|
57
|
33
|
|
|
2024/05
|
34
|
50
|
54
|
62
|
71
|
43
|
46
|
48
|
70
|
148
|
102
|
34
|
39
|
50
|
27
|
57
|
61
|
74
|
72
|
34
|
54
|
65
|
84
|
43
|
17
|
26
|
29
|
43
|
59
|
39
|
12
|
|
2024/04
|
77
|
85
|
64
|
66
|
60
|
51
|
43
|
70
|
57
|
52
|
62
|
112
|
78
|
68
|
105
|
46
|
61
|
64
|
71
|
41
|
54
|
82
|
25
|
45
|
99
|
94
|
102
|
31
|
18
|
25
|
|
|
2024/03
|
27
|
84
|
48
|
56
|
68
|
29
|
30
|
26
|
47
|
80
|
49
|
31
|
45
|
50
|
87
|
102
|
36
|
154
|
69
|
40
|
75
|
56
|
64
|
70
|
50
|
89
|
189
|
221
|
111
|
38
|
63
|
|
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