Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
27
O3
0.3
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jul
47
Excellent
Thu
30 Jul
50
Excellent
Fri
31 Jul
50
Excellent
Sat
1 Aug
50
Excellent
Sun
2 Aug
51
Good
Mon
3 Aug
47
Excellent
Tue
4 Aug
37
Excellent
Air quality in the last 12 months (Heshan)
|
2026/06
|
33
|
31
|
26
|
26
|
28
|
24
|
24
|
23
|
22
|
34
|
45
|
35
|
20
|
21
|
23
|
26
|
14
|
15
|
15
|
16
|
18
|
18
|
23
|
28
|
30
|
26
|
28
|
20
|
25
|
18
|
|
|
2026/05
|
33
|
28
|
23
|
34
|
48
|
39
|
28
|
25
|
33
|
40
|
43
|
31
|
18
|
17
|
25
|
22
|
22
|
21
|
17
|
12
|
15
|
15
|
19
|
21
|
22
|
24
|
26
|
24
|
33
|
53
|
36
|
|
2026/04
|
35
|
47
|
37
|
28
|
49
|
35
|
36
|
32
|
25
|
24
|
32
|
28
|
25
|
21
|
19
|
22
|
30
|
47
|
65
|
30
|
27
|
24
|
21
|
27
|
47
|
66
|
36
|
25
|
22
|
25
|
|
|
2026/03
|
19
|
22
|
11
|
20
|
29
|
32
|
41
|
54
|
47
|
20
|
42
|
50
|
57
|
48
|
40
|
38
|
34
|
29
|
40
|
28
|
38
|
34
|
38
|
34
|
40
|
27
|
29
|
30
|
28
|
28
|
30
|
|
2026/02
|
30
|
37
|
52
|
56
|
40
|
27
|
37
|
35
|
42
|
51
|
50
|
36
|
39
|
30
|
22
|
33
|
47
|
36
|
51
|
54
|
45
|
36
|
42
|
54
|
58
|
23
|
28
|
16
|
|||
|
2026/01
|
71
|
26
|
40
|
68
|
61
|
35
|
49
|
38
|
47
|
63
|
45
|
70
|
79
|
75
|
74
|
92
|
76
|
71
|
60
|
54
|
40
|
39
|
47
|
71
|
91
|
89
|
65
|
57
|
55
|
36
|
34
|
|
2025/12
|
55
|
50
|
55
|
70
|
84
|
83
|
100
|
66
|
69
|
86
|
73
|
53
|
39
|
35
|
50
|
77
|
60
|
55
|
75
|
47
|
56
|
72
|
57
|
66
|
24
|
45
|
54
|
66
|
78
|
68
|
74
|
|
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
|
|
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