Fujian - China   2025-07-22   Tuesday   24.62N, 117.76E

Changtai

Fujian - China
2025-07-22

Air Quality

Excellent

No health implications.

5

PM2.5

10

PM10

28

O3

0.6

CO

1

SO2

20

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

22 Jul

37 Excellent

Wed

23 Jul

37 Excellent

Thu

24 Jul

50 Excellent

Fri

25 Jul

55 Good

Sat

26 Jul

54 Good

Sun

27 Jul

59 Good

Mon

28 Jul

49 Excellent

Monthly Average AQI (Changtai)

2020/07 - 2025/06

Air quality in the last 12 months (Changtai)

2025/06
39
25
13
24
32
35
34
41
23
26
32
26
19
17
15
21
21
26
17
14
15
19
21
26
20
14
17
17
18
23
2025/05
62
49
48
51
36
36
36
62
40
26
27
38
45
42
33
18
18
26
27
29
26
33
30
19
43
46
38
36
11
22
45
2025/04
19
39
48
59
49
50
56
62
77
42
45
42
120
83
86
70
59
57
50
45
48
38
32
33
22
14
33
39
37
47
2025/03
64
32
31
32
13
13
22
34
39
43
54
54
32
37
39
8
45
48
45
48
52
53
62
71
81
60
48
54
20
11
11
2025/02
48
22
14
31
58
58
15
40
41
39
42
56
43
35
42
65
49
59
31
36
23
21
20
33
47
65
73
66
2025/01
64
63
59
45
52
58
62
60
59
60
45
46
56
54
73
86
65
53
54
52
60
64
57
37
29
25
19
36
120
40
36
2024/12
56
63
43
38
44
44
39
28
31
35
42
25
21
38
57
58
55
54
51
40
46
62
61
38
44
53
62
68
64
57
66
2024/11
14
16
33
44
43
37
26
26
44
44
34
26
20
33
35
24
27
17
14
9
12
20
26
28
24
15
27
25
36
48
2024/10
12
10
16
17
18
23
22
15
26
36
46
41
34
38
33
28
32
44
40
18
27
31
33
32
30
28
38
20
30
40
16
2024/09
33
40
41
30
25
14
14
20
17
35
47
52
26
30
22
23
24
21
30
19
22
9
10
14
19
27
23
16
21
15
2024/08
25
28
36
43
39
39
31
26
30
44
41
34
25
25
21
19
21
20
18
13
16
24
27
31
40
46
36
30
39
31
32
2024/07
17
17
16
18
16
15
13
16
13
20
24
26
23
23
20
19
18
15
17
21
22
29
35
26
12
7
11
18
21
19
11
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
Air quality source: CNEMC

*: primary pollution