Jiangsu - China   2025-09-18   Thursday   32.07N, 118.77E

Gulou

Jiangsu - China
2025-09-18

Air Quality

Excellent

No health implications.

5

PM2.5

21

PM10

64

O3

0.4

CO

4

SO2

7

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 Sep

60 Good

Fri

19 Sep

53 Good

Sat

20 Sep

55 Good

Sun

21 Sep

60 Good

Mon

22 Sep

53 Good

Tue

23 Sep

30 Excellent

Wed

24 Sep

30 Excellent

Monthly Average AQI (Gulou)

2020/09 - 2025/08

Air quality in the last 12 months (Gulou)

2025/08
11
10
17
23
36
30
24
23
30
14
11
21
47
28
26
30
35
34
32
34
37
27
25
27
25
20
39
33
32
25
16
2025/07
27
31
38
40
40
42
30
19
18
43
34
26
33
30
35
41
23
29
25
19
16
15
18
21
28
19
20
17
26
15
11
2025/06
12
11
41
60
47
43
19
21
27
35
43
31
29
38
23
44
47
35
11
16
9
21
35
22
26
41
19
14
12
20
2025/05
56
63
52
39
38
93
72
46
25
37
43
53
48
57
74
33
63
79
69
52
29
48
39
52
54
53
46
47
52
50
55
2025/04
46
61
33
61
79
66
66
66
83
79
77
225
105
84
50
59
69
69
80
54
58
62
63
74
67
56
46
58
58
60
2025/03
56
58
20
32
50
49
59
78
71
55
84
113
64
38
30
41
34
40
50
51
44
54
63
72
66
63
116
58
112
74
29
2025/02
35
60
81
73
50
40
61
32
39
52
54
100
65
69
96
92
68
50
61
51
44
63
74
66
84
107
91
67
2025/01
76
82
88
78
96
81
47
61
36
46
60
64
76
96
68
58
65
77
101
104
121
132
71
50
28
64
52
43
65
54
70
2024/12
64
75
72
44
76
124
138
37
48
50
50
61
87
64
59
59
74
67
42
55
84
59
58
64
99
114
56
69
66
69
102
2024/11
25
54
55
62
46
41
28
25
43
37
53
52
63
58
83
45
31
32
29
31
51
75
33
34
31
39
67
62
44
58
2024/10
24
35
24
26
27
14
12
31
35
54
62
70
44
42
62
62
36
23
29
34
31
35
55
45
41
27
32
86
45
38
36
2024/09
42
41
27
31
31
41
41
44
23
30
12
18
30
32
25
18
16
21
23
13
25
28
28
34
40
42
35
31
41
41
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