Air Quality
Excellent
No health implications.
26
PM2.5
36
PM10
60
O3
0.7
CO
10
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jul
44
Excellent
Fri
11 Jul
36
Excellent
Sat
12 Jul
33
Excellent
Sun
13 Jul
37
Excellent
Mon
14 Jul
49
Excellent
Tue
15 Jul
36
Excellent
Wed
16 Jul
34
Excellent
Air quality in the last 12 months (Heshan)
|
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
|
|
2024/11
|
45
|
49
|
62
|
74
|
63
|
66
|
59
|
53
|
56
|
55
|
64
|
64
|
68
|
66
|
54
|
49
|
48
|
28
|
24
|
21
|
24
|
26
|
38
|
51
|
62
|
21
|
33
|
37
|
49
|
64
|
|
|
2024/10
|
29
|
26
|
38
|
53
|
55
|
52
|
54
|
47
|
39
|
44
|
51
|
56
|
66
|
51
|
17
|
31
|
30
|
24
|
21
|
19
|
34
|
37
|
22
|
33
|
35
|
36
|
32
|
23
|
40
|
49
|
52
|
|
2024/09
|
25
|
31
|
26
|
29
|
39
|
35
|
15
|
16
|
20
|
24
|
21
|
31
|
40
|
42
|
41
|
28
|
24
|
31
|
33
|
36
|
27
|
24
|
31
|
37
|
47
|
35
|
42
|
52
|
34
|
39
|
|
|
2024/08
|
17
|
19
|
23
|
24
|
26
|
30
|
31
|
27
|
24
|
27
|
23
|
19
|
18
|
18
|
23
|
30
|
22
|
20
|
27
|
26
|
19
|
22
|
22
|
27
|
24
|
30
|
30
|
38
|
30
|
28
|
32
|
|
2024/07
|
24
|
11
|
17
|
23
|
20
|
17
|
18
|
18
|
21
|
24
|
24
|
24
|
27
|
24
|
25
|
27
|
22
|
18
|
19
|
23
|
27
|
28
|
20
|
20
|
23
|
38
|
38
|
24
|
22
|
13
|
12
|
|
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