Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
49
PM2.5
90
*
PM10
51
O3
0.6
CO
6
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Apr
66
Good
Fri
26 Apr
65
Good
Sat
27 Apr
76
Good
Sun
28 Apr
72
Good
Mon
29 Apr
69
Good
Tue
30 Apr
67
Good
Wed
1 May
65
Good
Air quality in the last 12 months (Heshan)
|
2024/02
|
69
|
42
|
60
|
91
|
111
|
106
|
120
|
118
|
135
|
235
|
136
|
74
|
57
|
55
|
73
|
53
|
48
|
42
|
104
|
22
|
33
|
48
|
60
|
66
|
67
|
79
|
92
|
118
|
95
|
||
|
2024/01
|
115
|
106
|
73
|
76
|
86
|
118
|
171
|
137
|
142
|
166
|
114
|
104
|
82
|
144
|
157
|
109
|
68
|
43
|
32
|
63
|
81
|
75
|
57
|
62
|
69
|
86
|
99
|
104
|
113
|
82
|
70
|
|
2023/12
|
51
|
69
|
96
|
80
|
68
|
81
|
57
|
52
|
60
|
74
|
27
|
50
|
65
|
29
|
36
|
41
|
46
|
57
|
67
|
69
|
98
|
62
|
73
|
99
|
97
|
79
|
150
|
243
|
250
|
223
|
164
|
|
2023/11
|
60
|
55
|
71
|
65
|
70
|
31
|
41
|
39
|
37
|
77
|
48
|
45
|
89
|
72
|
68
|
62
|
56
|
63
|
55
|
62
|
58
|
70
|
94
|
64
|
65
|
68
|
91
|
102
|
105
|
62
|
|
|
2023/10
|
43
|
36
|
22
|
44
|
43
|
58
|
37
|
41
|
50
|
94
|
66
|
123
|
80
|
55
|
56
|
72
|
71
|
78
|
94
|
40
|
54
|
60
|
84
|
79
|
122
|
78
|
51
|
45
|
59
|
66
|
57
|
|
2023/09
|
54
|
45
|
62
|
72
|
56
|
47
|
43
|
35
|
49
|
49
|
65
|
39
|
33
|
40
|
34
|
39
|
35
|
34
|
31
|
31
|
23
|
24
|
30
|
23
|
33
|
38
|
48
|
48
|
108
|
67
|
|
|
2023/08
|
26
|
25
|
29
|
37
|
41
|
43
|
34
|
36
|
40
|
43
|
53
|
54
|
36
|
34
|
45
|
48
|
48
|
55
|
66
|
61
|
54
|
30
|
42
|
48
|
61
|
62
|
24
|
25
|
39
|
43
|
50
|
|
2023/07
|
37
|
33
|
28
|
26
|
26
|
23
|
24
|
30
|
31
|
29
|
30
|
27
|
32
|
30
|
36
|
54
|
55
|
56
|
23
|
28
|
28
|
23
|
26
|
38
|
37
|
32
|
40
|
29
|
26
|
27
|
26
|
|
2023/06
|
40
|
63
|
51
|
54
|
28
|
31
|
41
|
53
|
56
|
44
|
61
|
43
|
40
|
53
|
60
|
54
|
53
|
33
|
33
|
26
|
41
|
32
|
44
|
38
|
38
|
35
|
27
|
25
|
26
|
26
|
|
|
2023/05
|
65
|
59
|
37
|
39
|
27
|
27
|
44
|
41
|
59
|
41
|
52
|
44
|
47
|
64
|
64
|
69
|
33
|
41
|
67
|
64
|
55
|
43
|
52
|
46
|
39
|
71
|
63
|
29
|
68
|
63
|
36
|
|
2023/04
|
57
|
50
|
39
|
23
|
31
|
38
|
64
|
71
|
61
|
58
|
45
|
122
|
64
|
60
|
70
|
63
|
55
|
39
|
54
|
92
|
66
|
35
|
19
|
21
|
30
|
38
|
39
|
44
|
108
|
109
|
|
|
2023/03
|
153
|
159
|
139
|
106
|
67
|
53
|
74
|
63
|
58
|
57
|
54
|
99
|
83
|
75
|
70
|
88
|
35
|
38
|
28
|
40
|
29
|
38
|
77
|
86
|
72
|
53
|
69
|
71
|
61
|
61
|
66
|
|
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