Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
19
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Aug
60
Good
Mon
31 Aug
56
Good
Tue
1 Sep
65
Good
Wed
2 Sep
74
Good
Thu
3 Sep
75
Good
Fri
4 Sep
29
Excellent
Sat
5 Sep
44
Excellent
Air quality in the last 12 months (Huailai)
|
2026/07
|
32
|
45
|
65
|
33
|
28
|
25
|
27
|
28
|
40
|
31
|
25
|
28
|
45
|
29
|
33
|
27
|
34
|
31
|
37
|
35
|
31
|
27
|
30
|
32
|
39
|
40
|
39
|
37
|
28
|
27
|
29
|
|
2026/06
|
34
|
58
|
34
|
24
|
25
|
22
|
19
|
22
|
19
|
16
|
22
|
31
|
37
|
31
|
50
|
29
|
27
|
43
|
51
|
24
|
26
|
37
|
35
|
38
|
27
|
26
|
40
|
51
|
51
|
34
|
|
|
2026/05
|
59
|
41
|
24
|
32
|
57
|
47
|
28
|
37
|
62
|
43
|
35
|
69
|
79
|
88
|
73
|
49
|
21
|
29
|
38
|
42
|
35
|
30
|
41
|
58
|
48
|
31
|
34
|
30
|
27
|
36
|
42
|
|
2026/04
|
40
|
71
|
80
|
60
|
48
|
26
|
32
|
68
|
40
|
29
|
46
|
61
|
63
|
75
|
87
|
74
|
48
|
73
|
124
|
78
|
49
|
58
|
62
|
60
|
59
|
47
|
46
|
25
|
25
|
41
|
|
|
2026/03
|
84
|
91
|
58
|
50
|
55
|
22
|
50
|
69
|
27
|
59
|
28
|
83
|
105
|
32
|
55
|
55
|
99
|
28
|
44
|
48
|
74
|
48
|
80
|
98
|
101
|
80
|
31
|
62
|
44
|
24
|
41
|
|
2026/02
|
33
|
26
|
52
|
61
|
31
|
14
|
15
|
31
|
57
|
62
|
40
|
56
|
67
|
54
|
22
|
27
|
64
|
32
|
55
|
90
|
215
|
35
|
35
|
55
|
96
|
68
|
45
|
58
|
|||
|
2026/01
|
34
|
32
|
49
|
43
|
32
|
34
|
32
|
59
|
77
|
28
|
28
|
45
|
40
|
68
|
112
|
47
|
32
|
33
|
14
|
18
|
21
|
37
|
38
|
41
|
36
|
54
|
37
|
54
|
70
|
88
|
62
|
|
2025/12
|
25
|
22
|
32
|
26
|
48
|
65
|
43
|
34
|
59
|
84
|
48
|
42
|
27
|
52
|
67
|
53
|
58
|
112
|
113
|
21
|
29
|
60
|
44
|
26
|
21
|
41
|
52
|
54
|
29
|
26
|
23
|
|
2025/11
|
14
|
18
|
46
|
59
|
111
|
121
|
55
|
52
|
33
|
37
|
52
|
55
|
30
|
53
|
62
|
24
|
17
|
26
|
41
|
29
|
43
|
56
|
84
|
52
|
36
|
72
|
36
|
69
|
90
|
91
|
|
|
2025/10
|
35
|
45
|
34
|
39
|
44
|
25
|
34
|
18
|
7
|
9
|
21
|
27
|
40
|
43
|
53
|
43
|
13
|
14
|
13
|
19
|
24
|
35
|
53
|
69
|
69
|
13
|
27
|
56
|
112
|
88
|
43
|
|
2025/09
|
22
|
34
|
41
|
40
|
34
|
26
|
25
|
24
|
40
|
41
|
47
|
47
|
42
|
27
|
25
|
19
|
13
|
14
|
22
|
29
|
32
|
28
|
30
|
30
|
32
|
39
|
44
|
31
|
25
|
31
|
|
|
2025/08
|
39
|
47
|
25
|
31
|
20
|
24
|
22
|
22
|
18
|
20
|
32
|
31
|
20
|
34
|
46
|
18
|
27
|
34
|
17
|
20
|
22
|
27
|
19
|
19
|
24
|
24
|
12
|
21
|
33
|
31
|
28
|
|
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