Air Quality
Excellent
No health implications.
10
PM2.5
35
PM10
35
O3
0.6
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
69
Good
Tue
15 Jul
69
Good
Wed
16 Jul
87
Good
Thu
17 Jul
77
Good
Fri
18 Jul
75
Good
Sat
19 Jul
50
Excellent
Sun
20 Jul
27
Excellent
Air quality in the last 12 months (Heshan)
|
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
|
|
|
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
|
|
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