Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
58
*
PM10
55
O3
0.5
CO
3
SO2
32
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 May
63
Good
Sun
25 May
72
Good
Mon
26 May
89
Good
Tue
27 May
104
Light
Wed
28 May
115
Light
Thu
29 May
104
Light
Fri
30 May
30
Excellent
Air quality in the last 12 months (Huailai)
|
2025/04
|
30
|
24
|
54
|
62
|
23
|
56
|
60
|
35
|
43
|
49
|
116
|
72
|
56
|
38
|
41
|
83
|
72
|
18
|
30
|
58
|
67
|
34
|
53
|
29
|
39
|
66
|
23
|
34
|
50
|
32
|
|
|
2025/03
|
132
|
87
|
33
|
46
|
45
|
24
|
50
|
81
|
100
|
118
|
149
|
69
|
86
|
71
|
39
|
20
|
24
|
23
|
24
|
28
|
29
|
58
|
188
|
87
|
60
|
98
|
40
|
24
|
21
|
36
|
40
|
|
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
|
|
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