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
27 Jul
Sun
28 Jul
Mon
29 Jul
Tue
30 Jul
Wed
31 Jul
Thu
1 Aug
Fri
2 Aug
Real-time AQI (Monitoring Station in Heyuan)
源西
2113
PM2.5
21
PM10
33
O3
0.7
CO
4
SO2
15
NO2
东埔
187
PM2.5
18
PM10
35
O3
0.7
CO
6
SO2
12
NO2
老城
177
PM2.5
17
PM10
30
O3
0.6
CO
4
SO2
12
NO2
Air quality in the last 12 months (Heyuan)
|
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
|
|
2024/02
|
39
|
30
|
28
|
27
|
12
|
23
|
11
|
12
|
34
|
87
|
66
|
57
|
55
|
49
|
42
|
24
|
34
|
29
|
34
|
25
|
29
|
20
|
14
|
14
|
15
|
18
|
17
|
33
|
23
|
||
|
2024/01
|
92
|
85
|
42
|
36
|
52
|
53
|
47
|
70
|
57
|
26
|
40
|
46
|
56
|
48
|
45
|
55
|
56
|
52
|
48
|
32
|
21
|
20
|
27
|
30
|
36
|
39
|
42
|
49
|
62
|
51
|
50
|
|
2023/12
|
46
|
37
|
41
|
36
|
21
|
29
|
39
|
43
|
59
|
47
|
46
|
28
|
31
|
47
|
49
|
26
|
32
|
34
|
12
|
28
|
31
|
48
|
40
|
41
|
48
|
48
|
54
|
52
|
51
|
72
|
63
|
|
2023/11
|
42
|
48
|
55
|
57
|
49
|
38
|
35
|
59
|
61
|
47
|
15
|
12
|
17
|
32
|
36
|
31
|
60
|
62
|
61
|
55
|
52
|
59
|
58
|
53
|
63
|
51
|
57
|
53
|
53
|
39
|
|
|
2023/10
|
40
|
27
|
44
|
46
|
33
|
32
|
17
|
15
|
14
|
12
|
21
|
28
|
31
|
48
|
49
|
46
|
45
|
46
|
50
|
34
|
24
|
27
|
42
|
37
|
37
|
70
|
54
|
29
|
26
|
38
|
40
|
|
2023/09
|
25
|
22
|
29
|
41
|
36
|
12
|
14
|
25
|
19
|
22
|
21
|
18
|
18
|
19
|
12
|
15
|
20
|
34
|
33
|
37
|
52
|
42
|
40
|
41
|
38
|
34
|
37
|
37
|
37
|
35
|
|
|
2023/08
|
25
|
26
|
38
|
38
|
37
|
41
|
42
|
41
|
46
|
36
|
25
|
31
|
31
|
35
|
38
|
39
|
34
|
46
|
46
|
28
|
24
|
35
|
29
|
25
|
29
|
22
|
27
|
26
|
20
|
25
|
24
|
|
2023/07
|
24
|
21
|
18
|
19
|
26
|
29
|
30
|
39
|
32
|
35
|
37
|
31
|
28
|
39
|
52
|
29
|
17
|
23
|
19
|
27
|
38
|
25
|
28
|
24
|
36
|
32
|
22
|
23
|
26
|
24
|
22
|
|
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