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
10 May
Sun
11 May
Mon
12 May
Tue
13 May
Wed
14 May
Thu
15 May
Fri
16 May
Real-time AQI (Monitoring Station in Heyuan)
源西
3616
PM2.5
36
PM10
82
O3
0.7
CO
4
SO2
4
NO2
东埔
3114
PM2.5
24
PM10
98
O3
0.5
CO
4
SO2
8
NO2
老城
3112
PM2.5
31
PM10
87
O3
0.5
CO
4
SO2
8
NO2
Air quality in the last 12 months (Heyuan)
|
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
|
|
|
2024/10
|
31
|
28
|
34
|
32
|
32
|
36
|
39
|
50
|
37
|
32
|
41
|
51
|
58
|
48
|
49
|
41
|
42
|
34
|
37
|
34
|
29
|
39
|
26
|
33
|
40
|
46
|
35
|
15
|
24
|
40
|
38
|
|
2024/09
|
25
|
31
|
26
|
23
|
22
|
14
|
14
|
15
|
15
|
21
|
37
|
34
|
27
|
24
|
18
|
22
|
22
|
20
|
23
|
24
|
16
|
14
|
15
|
16
|
27
|
35
|
26
|
27
|
25
|
23
|
|
|
2024/08
|
25
|
30
|
34
|
43
|
28
|
41
|
36
|
47
|
44
|
34
|
36
|
36
|
16
|
21
|
21
|
25
|
22
|
15
|
20
|
27
|
17
|
23
|
30
|
25
|
23
|
27
|
44
|
38
|
30
|
29
|
22
|
|
2024/07
|
22
|
22
|
22
|
22
|
23
|
20
|
21
|
27
|
30
|
28
|
22
|
16
|
18
|
22
|
18
|
20
|
16
|
18
|
19
|
20
|
22
|
21
|
28
|
43
|
35
|
25
|
19
|
11
|
13
|
16
|
14
|
|
2024/06
|
15
|
13
|
28
|
13
|
17
|
14
|
22
|
16
|
17
|
23
|
23
|
32
|
34
|
35
|
35
|
26
|
37
|
28
|
25
|
22
|
24
|
39
|
27
|
19
|
20
|
21
|
20
|
22
|
20
|
22
|
|
|
2024/05
|
19
|
27
|
32
|
31
|
22
|
41
|
33
|
34
|
43
|
49
|
40
|
25
|
38
|
47
|
41
|
43
|
55
|
36
|
33
|
16
|
11
|
15
|
18
|
14
|
18
|
30
|
31
|
22
|
19
|
31
|
25
|
|
2024/04
|
53
|
57
|
40
|
26
|
15
|
19
|
10
|
20
|
22
|
31
|
51
|
61
|
69
|
44
|
48
|
54
|
34
|
19
|
22
|
16
|
15
|
30
|
34
|
28
|
15
|
20
|
24
|
16
|
27
|
24
|
|
|
2024/03
|
21
|
22
|
30
|
57
|
54
|
27
|
33
|
37
|
41
|
12
|
15
|
31
|
44
|
47
|
25
|
39
|
53
|
53
|
27
|
68
|
58
|
55
|
47
|
34
|
38
|
32
|
40
|
44
|
40
|
52
|
39
|
|
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