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
28 Nov
Sat
29 Nov
Sun
30 Nov
Mon
1 Dec
Tue
2 Dec
Wed
3 Dec
Thu
4 Dec
Real-time AQI (Monitoring Station in Yichun)
中心医院
4229
PM2.5
37
PM10
18
O3
0.7
CO
4
SO2
38
NO2
林管局
5328
PM2.5
55 *
PM10
19
O3
0.5
CO
5
SO2
43
NO2
Air quality in the last 12 months (Yichun)
|
2025/10
|
23
|
26
|
32
|
30
|
21
|
19
|
29
|
23
|
23
|
31
|
35
|
21
|
22
|
22
|
20
|
24
|
21
|
21
|
25
|
22
|
25
|
24
|
29
|
37
|
97
|
97
|
67
|
32
|
53
|
97
|
46
|
|
2025/09
|
20
|
20
|
21
|
37
|
30
|
21
|
19
|
21
|
18
|
18
|
18
|
22
|
22
|
23
|
19
|
19
|
17
|
18
|
20
|
18
|
18
|
22
|
25
|
26
|
17
|
18
|
22
|
20
|
24
|
34
|
|
|
2025/08
|
18
|
17
|
17
|
18
|
18
|
15
|
16
|
16
|
18
|
16
|
16
|
16
|
17
|
19
|
19
|
16
|
18
|
19
|
17
|
18
|
18
|
18
|
18
|
20
|
18
|
19
|
19
|
23
|
19
|
20
|
21
|
|
2025/07
|
22
|
21
|
18
|
22
|
24
|
20
|
21
|
20
|
19
|
18
|
24
|
19
|
17
|
17
|
18
|
17
|
17
|
19
|
18
|
20
|
19
|
21
|
27
|
26
|
21
|
19
|
21
|
16
|
18
|
17
|
17
|
|
2025/06
|
20
|
21
|
24
|
15
|
17
|
16
|
16
|
20
|
18
|
16
|
17
|
22
|
31
|
25
|
22
|
28
|
20
|
22
|
23
|
21
|
16
|
19
|
27
|
29
|
33
|
28
|
33
|
38
|
25
|
22
|
|
|
2025/05
|
35
|
33
|
19
|
17
|
17
|
20
|
23
|
27
|
26
|
28
|
48
|
73
|
59
|
36
|
36
|
22
|
20
|
21
|
26
|
21
|
17
|
19
|
19
|
19
|
18
|
21
|
25
|
38
|
47
|
41
|
45
|
|
2025/04
|
56
|
43
|
39
|
40
|
44
|
44
|
42
|
34
|
41
|
49
|
35
|
85
|
33
|
20
|
15
|
16
|
36
|
58
|
24
|
17
|
40
|
25
|
32
|
28
|
22
|
16
|
25
|
21
|
26
|
26
|
|
|
2025/03
|
24
|
25
|
28
|
29
|
32
|
31
|
30
|
31
|
29
|
86
|
26
|
43
|
24
|
22
|
22
|
22
|
21
|
24
|
30
|
56
|
27
|
18
|
18
|
24
|
23
|
20
|
20
|
17
|
19
|
21
|
39
|
|
2025/02
|
60
|
69
|
53
|
40
|
33
|
34
|
38
|
24
|
34
|
52
|
42
|
54
|
67
|
49
|
45
|
24
|
25
|
23
|
25
|
25
|
25
|
24
|
31
|
42
|
56
|
31
|
41
|
45
|
|||
|
2025/01
|
75
|
87
|
84
|
101
|
60
|
61
|
85
|
35
|
40
|
53
|
72
|
78
|
86
|
89
|
63
|
43
|
45
|
59
|
71
|
48
|
56
|
51
|
65
|
80
|
65
|
53
|
39
|
67
|
64
|
44
|
55
|
|
2024/12
|
39
|
35
|
34
|
32
|
28
|
29
|
43
|
43
|
55
|
59
|
51
|
46
|
43
|
60
|
51
|
36
|
35
|
35
|
52
|
60
|
44
|
56
|
44
|
59
|
55
|
33
|
47
|
63
|
70
|
60
|
56
|
|
2024/11
|
38
|
21
|
27
|
21
|
20
|
22
|
28
|
36
|
50
|
50
|
44
|
30
|
41
|
96
|
60
|
41
|
21
|
22
|
53
|
63
|
54
|
31
|
29
|
36
|
34
|
32
|
33
|
36
|
36
|
24
|
|
|
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