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
17 Nov
Tue
18 Nov
Wed
19 Nov
Thu
20 Nov
Fri
21 Nov
Sat
22 Nov
Sun
23 Nov
Real-time AQI (Monitoring Station in Heyuan)
东埔
4625
PM2.5
46
PM10
116
O3
0.7
CO
8
SO2
12
NO2
老城
4226
PM2.5
42
PM10
110
O3
0.5
CO
8
SO2
10
NO2
Air quality in the last 12 months (Heyuan)
|
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
|
|
|
2025/08
|
25
|
22
|
16
|
12
|
11
|
13
|
18
|
27
|
35
|
22
|
19
|
25
|
26
|
15
|
15
|
21
|
20
|
13
|
14
|
17
|
23
|
23
|
23
|
17
|
17
|
19
|
24
|
22
|
22
|
21
|
18
|
|
2025/07
|
17
|
20
|
28
|
37
|
35
|
26
|
40
|
38
|
37
|
16
|
9
|
16
|
23
|
32
|
33
|
36
|
41
|
45
|
19
|
10
|
11
|
11
|
17
|
22
|
22
|
31
|
40
|
25
|
34
|
28
|
20
|
|
2025/06
|
29
|
30
|
18
|
29
|
24
|
36
|
39
|
29
|
32
|
22
|
17
|
21
|
17
|
13
|
20
|
18
|
13
|
18
|
19
|
15
|
14
|
19
|
24
|
22
|
21
|
17
|
15
|
18
|
17
|
15
|
|
|
2025/05
|
40
|
43
|
52
|
48
|
40
|
26
|
25
|
32
|
27
|
28
|
29
|
32
|
38
|
33
|
25
|
22
|
27
|
40
|
27
|
23
|
25
|
30
|
26
|
22
|
50
|
54
|
45
|
33
|
18
|
17
|
28
|
|
2025/04
|
25
|
37
|
45
|
53
|
27
|
47
|
55
|
61
|
60
|
49
|
50
|
61
|
192
|
116
|
86
|
88
|
66
|
56
|
36
|
45
|
38
|
41
|
42
|
34
|
16
|
22
|
48
|
35
|
41
|
55
|
|
|
2025/03
|
33
|
35
|
39
|
29
|
12
|
12
|
22
|
33
|
32
|
43
|
35
|
30
|
29
|
30
|
21
|
16
|
47
|
39
|
34
|
39
|
46
|
54
|
58
|
63
|
70
|
55
|
39
|
48
|
12
|
8
|
8
|
|
2025/02
|
51
|
36
|
11
|
31
|
36
|
33
|
22
|
58
|
30
|
38
|
47
|
43
|
41
|
44
|
61
|
60
|
35
|
32
|
40
|
46
|
20
|
27
|
13
|
25
|
34
|
49
|
51
|
44
|
|||
|
2025/01
|
68
|
60
|
56
|
57
|
62
|
82
|
73
|
68
|
57
|
39
|
39
|
40
|
46
|
52
|
50
|
60
|
45
|
44
|
49
|
48
|
49
|
46
|
43
|
53
|
35
|
18
|
26
|
50
|
89
|
67
|
56
|
|
2024/12
|
42
|
45
|
44
|
43
|
62
|
76
|
48
|
41
|
65
|
45
|
47
|
24
|
38
|
74
|
42
|
42
|
43
|
41
|
61
|
67
|
51
|
63
|
75
|
67
|
68
|
72
|
72
|
83
|
73
|
75
|
62
|
|
2024/11
|
25
|
21
|
36
|
39
|
43
|
54
|
39
|
35
|
42
|
54
|
44
|
42
|
44
|
28
|
24
|
16
|
25
|
21
|
21
|
23
|
29
|
29
|
33
|
46
|
30
|
18
|
30
|
32
|
33
|
40
|
|
|
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