Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Thu
29 Oct
Fri
30 Oct
Sat
31 Oct
Real-time AQI (Monitoring Station in Heyuan)
东埔
3927
PM2.5
36
PM10
74
O3
0.7
CO
7
SO2
13
NO2
老城
4028
PM2.5
33
PM10
73
O3
0.8
CO
8
SO2
13
NO2
Air quality in the last 12 months (Heyuan)
|
2026/08
|
16
|
16
|
16
|
19
|
31
|
40
|
39
|
35
|
25
|
25
|
27
|
49
|
35
|
26
|
23
|
26
|
25
|
19
|
22
|
19
|
23
|
23
|
23
|
23
|
28
|
20
|
19
|
24
|
39
|
23
|
17
|
|
2026/07
|
20
|
22
|
23
|
17
|
17
|
17
|
14
|
19
|
25
|
28
|
37
|
49
|
23
|
18
|
15
|
18
|
37
|
28
|
34
|
27
|
36
|
42
|
44
|
49
|
40
|
15
|
21
|
16
|
15
|
21
|
21
|
|
2026/06
|
39
|
41
|
37
|
31
|
28
|
24
|
26
|
21
|
23
|
22
|
21
|
33
|
30
|
20
|
16
|
16
|
15
|
15
|
19
|
22
|
28
|
29
|
31
|
38
|
28
|
22
|
26
|
17
|
19
|
22
|
|
|
2026/05
|
26
|
34
|
28
|
27
|
19
|
24
|
36
|
21
|
21
|
36
|
57
|
61
|
46
|
18
|
20
|
20
|
22
|
29
|
28
|
20
|
15
|
25
|
29
|
30
|
29
|
32
|
38
|
38
|
32
|
25
|
38
|
|
2026/04
|
26
|
30
|
42
|
22
|
28
|
34
|
46
|
26
|
31
|
33
|
38
|
34
|
29
|
39
|
34
|
34
|
28
|
32
|
32
|
46
|
35
|
34
|
22
|
21
|
31
|
38
|
48
|
37
|
23
|
26
|
|
|
2026/03
|
19
|
23
|
13
|
16
|
23
|
26
|
31
|
47
|
40
|
22
|
32
|
30
|
45
|
47
|
45
|
40
|
39
|
37
|
39
|
38
|
22
|
38
|
52
|
37
|
47
|
46
|
43
|
38
|
32
|
30
|
31
|
|
2026/02
|
20
|
27
|
41
|
54
|
45
|
36
|
24
|
28
|
33
|
43
|
31
|
31
|
45
|
36
|
23
|
31
|
31
|
34
|
44
|
45
|
56
|
43
|
45
|
46
|
33
|
27
|
27
|
13
|
|||
|
2026/01
|
62
|
18
|
33
|
37
|
35
|
37
|
40
|
28
|
36
|
35
|
39
|
46
|
49
|
52
|
51
|
54
|
59
|
59
|
60
|
69
|
22
|
24
|
40
|
47
|
49
|
46
|
61
|
34
|
40
|
38
|
30
|
|
2025/12
|
38
|
33
|
62
|
61
|
59
|
60
|
54
|
50
|
51
|
51
|
52
|
48
|
37
|
32
|
35
|
38
|
39
|
47
|
40
|
33
|
48
|
88
|
72
|
48
|
23
|
42
|
44
|
38
|
39
|
43
|
48
|
|
2025/11
|
33
|
34
|
28
|
12
|
13
|
21
|
34
|
35
|
19
|
14
|
24
|
21
|
14
|
31
|
35
|
38
|
37
|
39
|
24
|
27
|
30
|
38
|
44
|
41
|
49
|
64
|
53
|
63
|
55
|
48
|
|
|
2025/10
|
33
|
22
|
24
|
23
|
15
|
18
|
27
|
34
|
38
|
44
|
34
|
23
|
20
|
20
|
24
|
29
|
30
|
32
|
36
|
14
|
8
|
10
|
37
|
38
|
37
|
40
|
58
|
56
|
44
|
32
|
32
|
|
2025/09
|
21
|
24
|
23
|
26
|
25
|
30
|
22
|
9
|
17
|
18
|
19
|
20
|
20
|
24
|
20
|
20
|
23
|
17
|
13
|
9
|
13
|
20
|
23
|
9
|
11
|
22
|
29
|
29
|
27
|
31
|
|
|
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
*: primary pollution