Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
20
PM2.5
52
*
PM10
39
O3
0.6
CO
6
SO2
34
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Dec
67
Good
Tue
16 Dec
84
Good
Wed
17 Dec
83
Good
Thu
18 Dec
71
Good
Fri
19 Dec
57
Good
Sat
20 Dec
35
Excellent
Sun
21 Dec
45
Excellent
Air quality in the last 12 months (Heshan)
|
2025/11
|
34
|
44
|
34
|
19
|
22
|
35
|
47
|
48
|
39
|
20
|
20
|
20
|
22
|
35
|
49
|
69
|
55
|
41
|
26
|
32
|
32
|
42
|
62
|
57
|
47
|
61
|
54
|
64
|
69
|
69
|
|
|
2025/10
|
27
|
15
|
15
|
27
|
11
|
16
|
26
|
30
|
36
|
34
|
34
|
22
|
24
|
25
|
29
|
42
|
38
|
49
|
39
|
20
|
13
|
14
|
26
|
42
|
47
|
49
|
56
|
54
|
62
|
60
|
42
|
|
2025/09
|
19
|
17
|
15
|
20
|
16
|
24
|
21
|
9
|
14
|
15
|
19
|
17
|
17
|
17
|
19
|
29
|
32
|
35
|
27
|
20
|
11
|
23
|
25
|
11
|
14
|
26
|
34
|
25
|
23
|
25
|
|
|
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
|
|
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