Air Quality
Excellent
No health implications.
12
PM2.5
33
PM10
18
O3
0.3
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
55
Good
Sat
23 Nov
93
Good
Sun
24 Nov
132
Light
Mon
25 Nov
65
Good
Tue
26 Nov
44
Excellent
Wed
27 Nov
45
Excellent
Thu
28 Nov
45
Excellent
Air quality in the last 12 months (Huailai)
|
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
|
|
2024/02
|
34
|
64
|
65
|
70
|
83
|
48
|
32
|
39
|
57
|
79
|
53
|
70
|
97
|
54
|
32
|
60
|
84
|
73
|
35
|
22
|
23
|
22
|
28
|
47
|
51
|
60
|
84
|
58
|
25
|
||
|
2024/01
|
69
|
66
|
30
|
44
|
40
|
18
|
30
|
57
|
42
|
45
|
56
|
55
|
76
|
24
|
38
|
59
|
98
|
97
|
84
|
45
|
21
|
21
|
21
|
28
|
30
|
47
|
37
|
48
|
77
|
116
|
63
|
|
2023/12
|
32
|
47
|
49
|
71
|
84
|
135
|
110
|
120
|
62
|
57
|
43
|
67
|
72
|
67
|
26
|
20
|
28
|
58
|
35
|
20
|
23
|
34
|
44
|
48
|
60
|
60
|
46
|
73
|
103
|
113
|
32
|
|
2023/11
|
92
|
123
|
35
|
62
|
43
|
32
|
35
|
47
|
20
|
18
|
18
|
19
|
33
|
42
|
62
|
24
|
19
|
41
|
67
|
73
|
100
|
91
|
20
|
25
|
47
|
74
|
40
|
24
|
21
|
23
|
|
|
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