Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
27
O3
0.6
CO
5
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Nov
61
Good
Sat
16 Nov
93
Good
Sun
17 Nov
84
Good
Mon
18 Nov
75
Good
Tue
19 Nov
71
Good
Wed
20 Nov
69
Good
Thu
21 Nov
70
Good
Air quality in the last 12 months (Heshan)
|
2024/10
|
34
|
25
|
41
|
37
|
42
|
45
|
51
|
72
|
59
|
38
|
47
|
62
|
51
|
36
|
39
|
41
|
30
|
39
|
53
|
39
|
38
|
37
|
28
|
36
|
40
|
41
|
34
|
23
|
25
|
39
|
46
|
|
2024/09
|
26
|
27
|
33
|
36
|
28
|
10
|
18
|
18
|
17
|
32
|
39
|
45
|
48
|
38
|
25
|
31
|
34
|
18
|
38
|
32
|
18
|
20
|
21
|
26
|
40
|
37
|
35
|
46
|
28
|
32
|
|
|
2024/08
|
19
|
23
|
20
|
23
|
35
|
38
|
40
|
25
|
20
|
20
|
18
|
23
|
32
|
24
|
25
|
17
|
12
|
18
|
22
|
23
|
18
|
22
|
25
|
27
|
23
|
33
|
28
|
40
|
32
|
32
|
27
|
|
2024/07
|
20
|
20
|
15
|
15
|
19
|
16
|
12
|
14
|
14
|
13
|
9
|
11
|
11
|
15
|
15
|
14
|
11
|
14
|
22
|
19
|
15
|
13
|
14
|
21
|
26
|
30
|
17
|
11
|
11
|
12
|
14
|
|
2024/06
|
9
|
23
|
20
|
20
|
39
|
27
|
35
|
24
|
16
|
14
|
15
|
21
|
21
|
21
|
19
|
22
|
23
|
20
|
19
|
17
|
13
|
20
|
12
|
12
|
15
|
17
|
23
|
12
|
13
|
16
|
|
|
2024/05
|
20
|
32
|
48
|
22
|
34
|
40
|
34
|
34
|
41
|
43
|
35
|
31
|
38
|
43
|
44
|
42
|
52
|
55
|
44
|
24
|
17
|
32
|
36
|
19
|
29
|
17
|
19
|
25
|
29
|
39
|
20
|
|
2024/04
|
39
|
41
|
24
|
23
|
25
|
27
|
31
|
34
|
32
|
37
|
47
|
41
|
35
|
31
|
34
|
29
|
24
|
26
|
29
|
21
|
19
|
28
|
30
|
47
|
19
|
30
|
42
|
36
|
26
|
30
|
|
|
2024/03
|
24
|
30
|
61
|
47
|
31
|
38
|
34
|
46
|
53
|
26
|
27
|
35
|
55
|
74
|
72
|
82
|
52
|
42
|
27
|
66
|
55
|
51
|
37
|
34
|
33
|
46
|
43
|
40
|
50
|
32
|
34
|
|
2024/02
|
40
|
27
|
22
|
25
|
20
|
29
|
11
|
12
|
24
|
61
|
64
|
63
|
43
|
38
|
41
|
33
|
28
|
25
|
26
|
21
|
31
|
28
|
25
|
21
|
20
|
31
|
21
|
44
|
28
|
||
|
2024/01
|
75
|
60
|
36
|
46
|
83
|
85
|
70
|
56
|
51
|
32
|
48
|
73
|
89
|
63
|
84
|
47
|
49
|
43
|
43
|
33
|
28
|
23
|
26
|
34
|
49
|
50
|
41
|
38
|
58
|
79
|
67
|
|
2023/12
|
51
|
52
|
53
|
55
|
36
|
39
|
48
|
77
|
59
|
37
|
39
|
45
|
50
|
74
|
57
|
24
|
32
|
42
|
17
|
27
|
29
|
58
|
49
|
46
|
46
|
64
|
77
|
91
|
93
|
60
|
79
|
|
2023/11
|
68
|
61
|
49
|
43
|
31
|
40
|
47
|
56
|
44
|
43
|
25
|
20
|
20
|
28
|
40
|
29
|
48
|
58
|
60
|
74
|
74
|
66
|
99
|
73
|
78
|
64
|
75
|
57
|
80
|
56
|
|
|
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