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
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Thu
28 May
Fri
29 May
Real-time AQI (Monitoring Station in Heyuan)
东埔
3219
PM2.5
32
PM10
12
O3
0.5
CO
3
SO2
14
NO2
老城
3524
PM2.5
31
PM10
10
O3
0.7
CO
3
SO2
19
NO2
Air quality in the last 12 months (Heyuan)
|
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
|
|
|
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
|
|
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