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
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Real-time AQI (Monitoring Station in Xiamen)
洪文
2516
PM2.5
25
PM10
38
O3
0.3
CO
3
SO2
5
NO2
湖里中学
3014
PM2.5
30
PM10
27
O3
0.3
CO
2
SO2
17
NO2
集美中学
2920
PM2.5
26
PM10
31
O3
0.2
CO
2
SO2
12
NO2
同安二实小
2818
PM2.5
28
PM10
9
O3
0.3
CO
2
SO2
31
NO2
Air quality in the last 12 months (Xiamen)
|
2026/04
|
34
|
33
|
30
|
26
|
31
|
30
|
32
|
36
|
45
|
28
|
28
|
28
|
25
|
28
|
46
|
30
|
42
|
40
|
40
|
42
|
37
|
36
|
33
|
21
|
35
|
47
|
49
|
49
|
27
|
25
|
|
|
2026/03
|
19
|
39
|
20
|
26
|
23
|
33
|
39
|
37
|
40
|
37
|
46
|
45
|
45
|
37
|
39
|
35
|
40
|
37
|
31
|
42
|
41
|
42
|
41
|
32
|
46
|
37
|
42
|
31
|
44
|
45
|
33
|
|
2026/02
|
21
|
39
|
43
|
42
|
43
|
48
|
25
|
35
|
34
|
37
|
37
|
49
|
45
|
38
|
31
|
42
|
45
|
35
|
37
|
46
|
42
|
57
|
45
|
63
|
32
|
23
|
44
|
9
|
|||
|
2026/01
|
26
|
28
|
35
|
38
|
49
|
29
|
39
|
47
|
47
|
60
|
57
|
54
|
58
|
49
|
58
|
58
|
62
|
51
|
46
|
33
|
33
|
36
|
26
|
32
|
30
|
43
|
34
|
31
|
31
|
40
|
26
|
|
2025/12
|
50
|
39
|
46
|
39
|
32
|
33
|
40
|
44
|
42
|
34
|
45
|
48
|
36
|
26
|
42
|
48
|
48
|
49
|
58
|
57
|
58
|
26
|
30
|
46
|
28
|
28
|
24
|
30
|
36
|
45
|
37
|
|
2025/11
|
24
|
38
|
35
|
10
|
16
|
20
|
29
|
29
|
36
|
24
|
16
|
10
|
11
|
25
|
41
|
36
|
35
|
33
|
20
|
29
|
36
|
41
|
42
|
47
|
39
|
72
|
53
|
75
|
71
|
61
|
|
|
2025/10
|
31
|
20
|
28
|
30
|
24
|
27
|
30
|
29
|
28
|
26
|
27
|
31
|
25
|
35
|
22
|
31
|
30
|
27
|
18
|
18
|
11
|
12
|
19
|
21
|
21
|
36
|
42
|
23
|
22
|
31
|
35
|
|
2025/09
|
28
|
35
|
30
|
31
|
25
|
16
|
11
|
9
|
12
|
21
|
22
|
28
|
26
|
24
|
26
|
28
|
18
|
20
|
14
|
10
|
17
|
13
|
18
|
11
|
18
|
17
|
19
|
20
|
32
|
36
|
|
|
2025/08
|
25
|
25
|
15
|
12
|
14
|
24
|
33
|
40
|
16
|
11
|
12
|
18
|
22
|
19
|
18
|
20
|
23
|
24
|
15
|
19
|
22
|
24
|
31
|
23
|
23
|
20
|
19
|
23
|
17
|
19
|
20
|
|
2025/07
|
25
|
27
|
29
|
28
|
11
|
22
|
32
|
40
|
36
|
11
|
9
|
20
|
34
|
27
|
32
|
36
|
39
|
29
|
20
|
21
|
15
|
14
|
14
|
17
|
20
|
26
|
23
|
16
|
21
|
23
|
21
|
|
2025/06
|
38
|
24
|
13
|
24
|
30
|
32
|
27
|
25
|
17
|
25
|
27
|
28
|
18
|
18
|
21
|
21
|
17
|
22
|
14
|
12
|
12
|
19
|
25
|
24
|
16
|
10
|
15
|
16
|
15
|
22
|
|
|
2025/05
|
53
|
49
|
45
|
42
|
36
|
39
|
35
|
47
|
31
|
29
|
28
|
36
|
34
|
38
|
25
|
16
|
17
|
20
|
22
|
29
|
22
|
34
|
27
|
20
|
45
|
34
|
28
|
24
|
12
|
26
|
42
|
|
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