Air Quality
Excellent
No health implications.
12
PM2.5
22
PM10
117
O3
0.4
CO
2
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
75
Good
Sun
19 Jul
85
Good
Mon
20 Jul
79
Good
Tue
21 Jul
72
Good
Wed
22 Jul
71
Good
Thu
23 Jul
72
Good
Fri
24 Jul
20
Excellent
Air quality in the last 12 months (Huailai)
|
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
|
|
2025/07
|
29
|
32
|
22
|
29
|
18
|
17
|
28
|
30
|
38
|
27
|
50
|
46
|
19
|
32
|
39
|
19
|
13
|
24
|
51
|
15
|
18
|
31
|
35
|
21
|
18
|
25
|
26
|
23
|
12
|
16
|
30
|
|
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