Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
30
O3
0.4
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Sep
51
Good
Wed
10 Sep
51
Good
Thu
11 Sep
54
Good
Fri
12 Sep
62
Good
Sat
13 Sep
68
Good
Sun
14 Sep
65
Good
Mon
15 Sep
28
Excellent
Heshan Air quality rank
Air quality in the last 12 months (Heshan)
|
2025/08
|
20
|
20
|
24
|
33
|
23
|
15
|
24
|
34
|
25
|
21
|
19
|
17
|
23
|
26
|
12
|
28
|
22
|
11
|
17
|
19
|
17
|
20
|
34
|
17
|
18
|
28
|
29
|
48
|
29
|
20
|
18
|
|
2025/07
|
14
|
21
|
35
|
31
|
38
|
25
|
35
|
18
|
25
|
27
|
22
|
23
|
20
|
24
|
26
|
25
|
31
|
38
|
29
|
13
|
11
|
13
|
16
|
25
|
26
|
30
|
37
|
39
|
31
|
31
|
27
|
|
2025/06
|
28
|
24
|
21
|
33
|
28
|
29
|
19
|
16
|
19
|
25
|
21
|
19
|
16
|
11
|
19
|
22
|
12
|
15
|
13
|
13
|
12
|
15
|
13
|
14
|
17
|
13
|
13
|
11
|
13
|
20
|
|
|
2025/05
|
33
|
41
|
31
|
26
|
22
|
25
|
19
|
25
|
23
|
35
|
34
|
50
|
40
|
28
|
24
|
15
|
19
|
20
|
27
|
23
|
22
|
20
|
22
|
23
|
41
|
55
|
63
|
38
|
27
|
25
|
30
|
|
2025/04
|
34
|
48
|
60
|
42
|
42
|
65
|
71
|
58
|
43
|
33
|
29
|
49
|
248
|
162
|
104
|
97
|
67
|
45
|
29
|
29
|
25
|
28
|
29
|
23
|
20
|
44
|
32
|
30
|
38
|
46
|
|
|
2025/03
|
33
|
26
|
30
|
28
|
22
|
17
|
23
|
38
|
66
|
67
|
34
|
30
|
30
|
26
|
23
|
15
|
51
|
46
|
47
|
58
|
66
|
55
|
54
|
56
|
49
|
37
|
28
|
38
|
16
|
15
|
18
|
|
2025/02
|
34
|
34
|
9
|
26
|
47
|
50
|
25
|
53
|
39
|
53
|
60
|
48
|
48
|
56
|
33
|
63
|
47
|
58
|
48
|
40
|
40
|
44
|
28
|
36
|
50
|
60
|
63
|
33
|
|||
|
2025/01
|
83
|
87
|
65
|
73
|
88
|
101
|
104
|
87
|
77
|
49
|
39
|
48
|
64
|
78
|
58
|
58
|
55
|
63
|
60
|
64
|
64
|
56
|
60
|
39
|
27
|
17
|
28
|
45
|
88
|
49
|
31
|
|
2024/12
|
78
|
85
|
83
|
70
|
62
|
73
|
53
|
36
|
57
|
74
|
59
|
34
|
39
|
54
|
52
|
47
|
63
|
45
|
54
|
66
|
64
|
58
|
69
|
69
|
61
|
66
|
81
|
69
|
80
|
100
|
76
|
|
2024/11
|
43
|
37
|
53
|
52
|
38
|
55
|
46
|
47
|
53
|
55
|
59
|
51
|
48
|
32
|
24
|
24
|
27
|
28
|
19
|
17
|
29
|
32
|
38
|
40
|
38
|
23
|
31
|
41
|
40
|
54
|
|
|
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
|
|
|
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