Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
35
O3
1.0
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Feb
65
Good
Fri
7 Feb
38
Excellent
Sat
8 Feb
53
Good
Sun
9 Feb
81
Good
Mon
10 Feb
87
Good
Tue
11 Feb
71
Good
Wed
12 Feb
37
Excellent
Air quality in the last 12 months (Heshan)
|
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
|
|
2024/06
|
27
|
32
|
23
|
19
|
16
|
25
|
32
|
25
|
18
|
16
|
21
|
22
|
26
|
17
|
26
|
27
|
27
|
13
|
28
|
26
|
27
|
21
|
21
|
15
|
12
|
12
|
17
|
15
|
16
|
20
|
|
|
2024/05
|
16
|
26
|
34
|
30
|
21
|
33
|
38
|
46
|
30
|
31
|
36
|
19
|
52
|
57
|
52
|
50
|
54
|
41
|
13
|
20
|
27
|
27
|
41
|
45
|
35
|
16
|
29
|
25
|
39
|
26
|
14
|
|
2024/04
|
59
|
58
|
64
|
32
|
22
|
19
|
19
|
24
|
46
|
37
|
35
|
50
|
46
|
49
|
54
|
47
|
42
|
31
|
46
|
30
|
14
|
44
|
29
|
42
|
54
|
37
|
43
|
50
|
61
|
46
|
|
|
2024/03
|
52
|
67
|
69
|
34
|
49
|
39
|
74
|
75
|
84
|
39
|
33
|
54
|
54
|
22
|
16
|
46
|
55
|
40
|
28
|
95
|
94
|
56
|
43
|
50
|
50
|
31
|
61
|
36
|
49
|
49
|
48
|
|
2024/02
|
38
|
37
|
35
|
23
|
23
|
18
|
16
|
22
|
41
|
103
|
94
|
112
|
81
|
76
|
53
|
33
|
71
|
41
|
45
|
51
|
58
|
29
|
17
|
15
|
18
|
17
|
24
|
15
|
16
|
||
|
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