Air Quality
Excellent
No health implications.
14
PM2.5
19
PM10
52
O3
0.4
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Nov
46
Excellent
Wed
6 Nov
46
Excellent
Thu
7 Nov
44
Excellent
Fri
8 Nov
46
Excellent
Sat
9 Nov
56
Good
Sun
10 Nov
50
Excellent
Mon
11 Nov
50
Excellent
Air quality in the last 12 months (Helong)
|
2024/10
|
8
|
19
|
23
|
22
|
25
|
43
|
17
|
26
|
30
|
32
|
28
|
32
|
33
|
32
|
18
|
21
|
39
|
36
|
30
|
29
|
38
|
44
|
20
|
31
|
38
|
50
|
39
|
27
|
31
|
42
|
46
|
|
2024/09
|
23
|
13
|
21
|
23
|
14
|
15
|
23
|
16
|
21
|
18
|
18
|
18
|
18
|
14
|
17
|
22
|
19
|
21
|
30
|
13
|
11
|
13
|
17
|
17
|
22
|
17
|
22
|
21
|
23
|
23
|
|
|
2024/08
|
21
|
20
|
19
|
16
|
14
|
14
|
17
|
25
|
25
|
22
|
11
|
11
|
19
|
30
|
22
|
18
|
17
|
23
|
22
|
10
|
12
|
13
|
12
|
28
|
35
|
25
|
18
|
19
|
24
|
23
|
17
|
|
2024/07
|
32
|
29
|
12
|
24
|
26
|
23
|
13
|
30
|
43
|
48
|
56
|
65
|
56
|
48
|
42
|
32
|
19
|
16
|
22
|
31
|
23
|
21
|
16
|
16
|
16
|
11
|
13
|
12
|
13
|
17
|
21
|
|
2024/06
|
14
|
13
|
15
|
23
|
21
|
21
|
23
|
20
|
16
|
18
|
31
|
24
|
20
|
13
|
15
|
19
|
28
|
20
|
34
|
30
|
33
|
13
|
11
|
18
|
11
|
19
|
26
|
44
|
39
|
31
|
|
|
2024/05
|
29
|
49
|
57
|
45
|
43
|
24
|
26
|
23
|
40
|
38
|
35
|
33
|
40
|
44
|
17
|
23
|
28
|
51
|
21
|
11
|
18
|
35
|
29
|
17
|
19
|
13
|
10
|
14
|
19
|
17
|
16
|
|
2024/04
|
75
|
65
|
57
|
38
|
32
|
51
|
55
|
52
|
44
|
58
|
48
|
41
|
43
|
48
|
41
|
182
|
64
|
52
|
62
|
79
|
45
|
35
|
26
|
18
|
53
|
62
|
48
|
27
|
20
|
23
|
|
|
2024/03
|
67
|
47
|
42
|
45
|
38
|
37
|
38
|
45
|
32
|
48
|
65
|
33
|
52
|
54
|
117
|
52
|
46
|
37
|
37
|
30
|
30
|
37
|
32
|
34
|
26
|
35
|
40
|
67
|
90
|
54
|
56
|
|
2024/02
|
39
|
36
|
36
|
35
|
41
|
37
|
41
|
41
|
48
|
120
|
55
|
62
|
72
|
67
|
41
|
40
|
50
|
67
|
39
|
29
|
28
|
32
|
36
|
75
|
91
|
53
|
53
|
51
|
56
|
||
|
2024/01
|
84
|
79
|
71
|
77
|
43
|
33
|
25
|
46
|
43
|
47
|
47
|
32
|
44
|
43
|
32
|
42
|
45
|
40
|
41
|
34
|
26
|
37
|
27
|
33
|
36
|
42
|
52
|
52
|
61
|
71
|
50
|
|
2023/12
|
36
|
45
|
43
|
74
|
77
|
65
|
25
|
50
|
41
|
22
|
22
|
31
|
45
|
29
|
24
|
29
|
28
|
42
|
44
|
41
|
36
|
42
|
52
|
60
|
71
|
39
|
47
|
50
|
70
|
86
|
75
|
|
2023/11
|
41
|
37
|
33
|
37
|
31
|
17
|
22
|
29
|
25
|
20
|
20
|
30
|
26
|
37
|
44
|
42
|
24
|
34
|
30
|
34
|
52
|
63
|
25
|
20
|
27
|
30
|
42
|
26
|
25
|
24
|
|
|
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