Air Quality
Excellent
No health implications.
17
PM2.5
30
PM10
9
O3
0.3
CO
6
SO2
35
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jun
60
Good
Sun
28 Jun
63
Good
Mon
29 Jun
53
Good
Tue
30 Jun
53
Good
Wed
1 Jul
52
Good
Thu
2 Jul
49
Excellent
Fri
3 Jul
28
Excellent
Air quality in the last 12 months (Helong)
|
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
|
|
2025/07
|
16
|
20
|
27
|
22
|
27
|
39
|
29
|
34
|
33
|
35
|
22
|
31
|
25
|
14
|
17
|
17
|
20
|
15
|
19
|
16
|
15
|
31
|
30
|
18
|
24
|
20
|
23
|
20
|
26
|
30
|
25
|
|
2025/06
|
44
|
39
|
22
|
15
|
37
|
43
|
41
|
22
|
40
|
18
|
16
|
22
|
39
|
38
|
38
|
15
|
17
|
29
|
32
|
19
|
18
|
26
|
30
|
40
|
39
|
34
|
42
|
47
|
42
|
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