Air Quality
Excellent
No health implications.
27
PM2.5
40
PM10
97
O3
0.8
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jun
88
Good
Wed
11 Jun
87
Good
Thu
12 Jun
94
Good
Fri
13 Jun
90
Good
Sat
14 Jun
90
Good
Sun
15 Jun
90
Good
Mon
16 Jun
34
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