Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
101
O3
0.6
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
50
Excellent
Fri
27 Jun
45
Excellent
Sat
28 Jun
47
Excellent
Sun
29 Jun
62
Good
Mon
30 Jun
64
Good
Tue
1 Jul
52
Good
Wed
2 Jul
23
Excellent
Air quality in the last 12 months (Heshan)
|
2025/05
|
36
|
46
|
56
|
55
|
50
|
56
|
78
|
38
|
33
|
44
|
27
|
36
|
41
|
76
|
50
|
33
|
36
|
64
|
47
|
18
|
25
|
37
|
42
|
57
|
56
|
45
|
59
|
24
|
23
|
24
|
24
|
|
2025/04
|
50
|
48
|
52
|
59
|
71
|
56
|
60
|
66
|
67
|
67
|
51
|
179
|
108
|
101
|
73
|
58
|
62
|
63
|
43
|
67
|
41
|
36
|
45
|
42
|
49
|
33
|
39
|
48
|
56
|
27
|
|
|
2025/03
|
55
|
39
|
26
|
45
|
56
|
63
|
63
|
61
|
67
|
57
|
54
|
84
|
82
|
45
|
37
|
51
|
45
|
38
|
42
|
42
|
42
|
53
|
56
|
39
|
51
|
63
|
76
|
47
|
51
|
38
|
42
|
|
2025/02
|
76
|
70
|
91
|
76
|
60
|
59
|
65
|
40
|
44
|
63
|
78
|
82
|
101
|
84
|
57
|
70
|
53
|
45
|
65
|
104
|
122
|
63
|
100
|
109
|
78
|
105
|
60
|
70
|
|||
|
2025/01
|
140
|
190
|
202
|
254
|
91
|
87
|
99
|
78
|
73
|
70
|
66
|
83
|
93
|
137
|
67
|
71
|
85
|
101
|
115
|
115
|
115
|
153
|
288
|
171
|
28
|
41
|
54
|
107
|
244
|
123
|
104
|
|
2024/12
|
66
|
90
|
167
|
134
|
60
|
68
|
71
|
108
|
83
|
90
|
79
|
127
|
97
|
52
|
59
|
71
|
91
|
113
|
90
|
115
|
125
|
84
|
81
|
101
|
138
|
165
|
193
|
127
|
91
|
162
|
154
|
|
2024/11
|
108
|
142
|
117
|
116
|
116
|
106
|
80
|
98
|
136
|
88
|
93
|
115
|
115
|
131
|
152
|
145
|
22
|
21
|
40
|
47
|
51
|
73
|
113
|
130
|
43
|
37
|
39
|
41
|
52
|
55
|
|
|
2024/10
|
34
|
55
|
72
|
83
|
83
|
97
|
73
|
55
|
59
|
80
|
116
|
203
|
111
|
65
|
61
|
118
|
96
|
38
|
34
|
52
|
31
|
34
|
36
|
48
|
77
|
68
|
84
|
127
|
135
|
107
|
83
|
|
2024/09
|
49
|
44
|
68
|
71
|
59
|
61
|
67
|
51
|
45
|
54
|
53
|
52
|
60
|
59
|
80
|
67
|
60
|
53
|
53
|
85
|
52
|
30
|
38
|
66
|
70
|
97
|
112
|
78
|
54
|
53
|
|
|
2024/08
|
28
|
29
|
21
|
24
|
29
|
31
|
32
|
28
|
30
|
39
|
49
|
56
|
41
|
53
|
47
|
43
|
50
|
44
|
40
|
44
|
43
|
37
|
27
|
28
|
29
|
41
|
41
|
31
|
51
|
50
|
53
|
|
2024/07
|
36
|
38
|
30
|
23
|
21
|
20
|
19
|
21
|
23
|
45
|
59
|
35
|
35
|
34
|
28
|
26
|
19
|
22
|
17
|
27
|
26
|
20
|
18
|
30
|
43
|
43
|
42
|
44
|
24
|
23
|
24
|
|
2024/06
|
44
|
37
|
62
|
30
|
32
|
41
|
45
|
56
|
37
|
37
|
34
|
41
|
39
|
39
|
42
|
32
|
45
|
49
|
33
|
41
|
38
|
36
|
45
|
38
|
33
|
28
|
25
|
37
|
29
|
24
|
|
|
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