Air Quality
Excellent
No health implications.
11
PM2.5
36
PM10
105
O3
0.5
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
67
Good
Mon
5 May
81
Good
Tue
6 May
58
Good
Wed
7 May
71
Good
Thu
8 May
71
Good
Fri
9 May
81
Good
Sat
10 May
17
Excellent
Air quality in the last 12 months (Jiulongpo)
|
2025/02
|
91
|
61
|
34
|
36
|
41
|
39
|
31
|
36
|
53
|
59
|
61
|
76
|
35
|
44
|
44
|
48
|
45
|
43
|
48
|
42
|
45
|
38
|
37
|
38
|
59
|
58
|
58
|
61
|
|||
|
2025/01
|
125
|
150
|
152
|
133
|
102
|
88
|
62
|
41
|
42
|
40
|
48
|
57
|
76
|
97
|
90
|
78
|
74
|
102
|
99
|
104
|
111
|
164
|
199
|
99
|
37
|
34
|
47
|
64
|
119
|
131
|
103
|
|
2024/12
|
97
|
106
|
89
|
91
|
46
|
48
|
42
|
39
|
36
|
50
|
65
|
50
|
52
|
51
|
55
|
71
|
94
|
115
|
89
|
80
|
111
|
72
|
52
|
88
|
107
|
113
|
105
|
102
|
94
|
100
|
93
|
|
2024/11
|
55
|
53
|
66
|
74
|
43
|
46
|
72
|
77
|
44
|
43
|
67
|
55
|
48
|
56
|
50
|
39
|
25
|
26
|
24
|
27
|
30
|
43
|
39
|
29
|
26
|
37
|
48
|
50
|
63
|
85
|
|
|
2024/10
|
20
|
35
|
34
|
38
|
51
|
47
|
49
|
52
|
63
|
72
|
57
|
41
|
48
|
55
|
49
|
48
|
29
|
40
|
42
|
24
|
30
|
34
|
40
|
51
|
64
|
85
|
39
|
52
|
56
|
87
|
81
|
|
2024/09
|
38
|
38
|
25
|
22
|
33
|
37
|
41
|
32
|
26
|
33
|
43
|
36
|
34
|
44
|
24
|
31
|
32
|
37
|
29
|
48
|
36
|
39
|
39
|
49
|
60
|
79
|
45
|
43
|
36
|
22
|
|
|
2024/08
|
31
|
17
|
20
|
23
|
31
|
29
|
29
|
24
|
28
|
39
|
48
|
65
|
57
|
43
|
36
|
42
|
39
|
49
|
37
|
46
|
37
|
30
|
26
|
22
|
18
|
24
|
39
|
34
|
32
|
29
|
28
|
|
2024/07
|
37
|
33
|
39
|
38
|
28
|
40
|
26
|
34
|
35
|
23
|
24
|
36
|
35
|
22
|
25
|
21
|
26
|
36
|
23
|
23
|
26
|
24
|
21
|
21
|
44
|
50
|
40
|
35
|
38
|
30
|
34
|
|
2024/06
|
58
|
35
|
34
|
30
|
35
|
27
|
29
|
41
|
47
|
36
|
43
|
45
|
59
|
68
|
58
|
42
|
41
|
36
|
28
|
25
|
27
|
37
|
44
|
44
|
43
|
40
|
19
|
24
|
42
|
46
|
|
|
2024/05
|
37
|
30
|
29
|
36
|
36
|
45
|
60
|
57
|
53
|
42
|
44
|
53
|
46
|
52
|
37
|
47
|
47
|
46
|
45
|
30
|
19
|
32
|
37
|
41
|
36
|
28
|
43
|
36
|
27
|
33
|
42
|
|
2024/04
|
47
|
42
|
36
|
25
|
23
|
30
|
30
|
30
|
36
|
47
|
46
|
43
|
42
|
49
|
63
|
32
|
40
|
44
|
28
|
44
|
49
|
40
|
36
|
42
|
47
|
44
|
50
|
38
|
25
|
23
|
|
|
2024/03
|
61
|
55
|
54
|
90
|
101
|
78
|
60
|
69
|
56
|
65
|
86
|
60
|
89
|
78
|
59
|
59
|
73
|
33
|
49
|
64
|
69
|
75
|
103
|
69
|
34
|
35
|
40
|
48
|
54
|
54
|
52
|
|
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