Air Quality
Excellent
No health implications.
11
PM2.5
25
PM10
12
O3
0.6
CO
8
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
52
Good
Sat
24 Oct
50
Excellent
Sun
25 Oct
50
Excellent
Mon
26 Oct
54
Good
Tue
27 Oct
48
Excellent
Wed
28 Oct
57
Good
Thu
29 Oct
29
Excellent
Air quality in the last 12 months (Helong)
|
2026/08
|
23
|
12
|
11
|
21
|
26
|
26
|
25
|
17
|
20
|
21
|
21
|
24
|
16
|
16
|
18
|
18
|
22
|
20
|
19
|
23
|
22
|
25
|
24
|
23
|
21
|
20
|
23
|
27
|
18
|
21
|
20
|
|
2026/07
|
25
|
16
|
17
|
23
|
28
|
21
|
17
|
16
|
21
|
19
|
19
|
18
|
18
|
13
|
17
|
22
|
28
|
27
|
25
|
18
|
19
|
26
|
28
|
17
|
13
|
14
|
11
|
17
|
24
|
24
|
23
|
|
2026/06
|
36
|
46
|
33
|
25
|
23
|
22
|
17
|
15
|
17
|
18
|
21
|
23
|
29
|
31
|
33
|
22
|
27
|
29
|
27
|
23
|
18
|
24
|
18
|
28
|
24
|
25
|
32
|
33
|
27
|
28
|
|
|
2026/05
|
40
|
36
|
28
|
33
|
34
|
37
|
24
|
25
|
29
|
32
|
37
|
41
|
36
|
30
|
38
|
46
|
43
|
30
|
32
|
29
|
28
|
29
|
29
|
26
|
38
|
35
|
24
|
22
|
25
|
27
|
33
|
|
2026/04
|
55
|
66
|
75
|
37
|
40
|
30
|
26
|
34
|
52
|
34
|
26
|
40
|
55
|
48
|
46
|
39
|
42
|
33
|
44
|
61
|
70
|
47
|
61
|
32
|
36
|
30
|
21
|
28
|
30
|
34
|
|
|
2026/03
|
33
|
50
|
38
|
59
|
62
|
42
|
27
|
36
|
39
|
46
|
55
|
72
|
82
|
60
|
112
|
111
|
129
|
213
|
40
|
48
|
91
|
162
|
111
|
68
|
78
|
83
|
88
|
78
|
61
|
43
|
37
|
|
2026/02
|
44
|
40
|
44
|
74
|
81
|
63
|
30
|
31
|
39
|
66
|
51
|
53
|
65
|
73
|
48
|
42
|
90
|
36
|
38
|
47
|
56
|
108
|
110
|
47
|
45
|
64
|
53
|
30
|
|||
|
2026/01
|
25
|
29
|
39
|
47
|
43
|
49
|
46
|
35
|
73
|
56
|
31
|
33
|
38
|
40
|
50
|
36
|
33
|
31
|
27
|
28
|
29
|
28
|
36
|
33
|
28
|
39
|
42
|
34
|
39
|
30
|
33
|
|
2025/12
|
39
|
25
|
22
|
30
|
38
|
68
|
66
|
26
|
39
|
57
|
29
|
36
|
34
|
43
|
61
|
43
|
34
|
52
|
58
|
39
|
34
|
40
|
58
|
30
|
28
|
23
|
37
|
78
|
48
|
23
|
27
|
|
2025/11
|
27
|
23
|
34
|
47
|
44
|
48
|
36
|
33
|
29
|
26
|
45
|
42
|
32
|
59
|
47
|
33
|
39
|
40
|
34
|
39
|
41
|
46
|
64
|
115
|
215
|
111
|
64
|
34
|
37
|
38
|
|
|
2025/10
|
23
|
33
|
31
|
32
|
23
|
20
|
25
|
37
|
25
|
26
|
17
|
23
|
31
|
49
|
38
|
42
|
28
|
18
|
17
|
22
|
29
|
31
|
37
|
41
|
45
|
42
|
42
|
59
|
62
|
42
|
25
|
|
2025/09
|
11
|
16
|
24
|
26
|
28
|
18
|
20
|
22
|
20
|
22
|
20
|
28
|
32
|
31
|
23
|
27
|
18
|
19
|
22
|
19
|
25
|
23
|
31
|
18
|
27
|
28
|
22
|
18
|
27
|
26
|
|
|
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