Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
14
O3
0.9
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Dec
57
Good
Thu
25 Dec
56
Good
Fri
26 Dec
70
Good
Sat
27 Dec
77
Good
Sun
28 Dec
81
Good
Mon
29 Dec
83
Good
Tue
30 Dec
33
Excellent
Heshan Air quality rank
Air quality in the last 12 months (Heshan)
|
2025/11
|
30
|
34
|
14
|
11
|
19
|
33
|
39
|
32
|
12
|
12
|
11
|
25
|
39
|
41
|
45
|
46
|
53
|
26
|
21
|
29
|
28
|
41
|
51
|
44
|
42
|
52
|
48
|
57
|
64
|
67
|
|
|
2025/10
|
29
|
27
|
25
|
28
|
27
|
13
|
20
|
27
|
35
|
39
|
37
|
38
|
33
|
22
|
22
|
30
|
41
|
44
|
18
|
15
|
14
|
14
|
23
|
36
|
44
|
39
|
39
|
35
|
49
|
58
|
36
|
|
2025/09
|
25
|
22
|
19
|
23
|
22
|
24
|
33
|
32
|
16
|
19
|
17
|
17
|
23
|
26
|
26
|
27
|
19
|
28
|
31
|
34
|
22
|
18
|
21
|
14
|
11
|
17
|
23
|
28
|
26
|
31
|
|
|
2025/08
|
19
|
26
|
33
|
29
|
21
|
18
|
16
|
28
|
25
|
27
|
30
|
32
|
30
|
32
|
14
|
18
|
22
|
17
|
14
|
18
|
22
|
25
|
26
|
26
|
25
|
25
|
25
|
27
|
28
|
22
|
21
|
|
2025/07
|
18
|
19
|
20
|
25
|
35
|
37
|
32
|
24
|
30
|
24
|
19
|
20
|
21
|
23
|
25
|
25
|
29
|
34
|
40
|
34
|
17
|
12
|
12
|
18
|
21
|
25
|
40
|
45
|
27
|
32
|
20
|
|
2025/06
|
25
|
19
|
19
|
39
|
49
|
27
|
22
|
25
|
20
|
19
|
22
|
24
|
20
|
20
|
24
|
18
|
19
|
21
|
21
|
22
|
23
|
23
|
24
|
23
|
22
|
26
|
14
|
21
|
23
|
19
|
|
|
2025/05
|
37
|
48
|
39
|
30
|
35
|
30
|
39
|
44
|
25
|
36
|
29
|
45
|
47
|
38
|
19
|
17
|
21
|
17
|
16
|
24
|
23
|
24
|
19
|
27
|
40
|
37
|
44
|
44
|
10
|
28
|
31
|
|
2025/04
|
39
|
53
|
73
|
64
|
86
|
95
|
90
|
80
|
81
|
62
|
48
|
54
|
115
|
148
|
112
|
101
|
88
|
65
|
53
|
42
|
38
|
40
|
34
|
33
|
23
|
30
|
37
|
26
|
47
|
43
|
|
|
2025/03
|
42
|
44
|
56
|
51
|
31
|
18
|
32
|
42
|
49
|
39
|
49
|
37
|
37
|
52
|
14
|
28
|
54
|
33
|
36
|
56
|
62
|
72
|
65
|
71
|
76
|
56
|
54
|
75
|
33
|
14
|
22
|
|
2025/02
|
42
|
15
|
15
|
56
|
104
|
34
|
16
|
53
|
52
|
70
|
122
|
77
|
50
|
92
|
48
|
32
|
38
|
32
|
42
|
27
|
16
|
21
|
13
|
41
|
76
|
25
|
42
|
57
|
|||
|
2025/01
|
155
|
147
|
90
|
132
|
92
|
127
|
138
|
90
|
66
|
39
|
51
|
118
|
126
|
152
|
106
|
79
|
93
|
109
|
106
|
118
|
135
|
146
|
167
|
108
|
56
|
15
|
45
|
59
|
159
|
103
|
73
|
|
2024/12
|
95
|
112
|
101
|
96
|
84
|
37
|
18
|
32
|
63
|
109
|
27
|
35
|
42
|
57
|
48
|
56
|
109
|
74
|
68
|
93
|
121
|
99
|
101
|
99
|
109
|
98
|
82
|
73
|
105
|
145
|
114
|
|
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