Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
42
O3
0.3
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Aug
42
Excellent
Sat
15 Aug
40
Excellent
Sun
16 Aug
42
Excellent
Mon
17 Aug
40
Excellent
Tue
18 Aug
39
Excellent
Wed
19 Aug
44
Excellent
Thu
20 Aug
22
Excellent
Air quality in the last 12 months (Helong)
|
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
|
|
|
2025/08
|
24
|
18
|
21
|
13
|
18
|
12
|
14
|
13
|
19
|
20
|
19
|
30
|
26
|
22
|
27
|
28
|
16
|
19
|
23
|
17
|
18
|
24
|
19
|
19
|
14
|
10
|
12
|
14
|
10
|
14
|
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