Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
33
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
51
Good
Tue
20 Jan
44
Excellent
Wed
21 Jan
59
Good
Thu
22 Jan
82
Good
Fri
23 Jan
100
Good
Sat
24 Jan
115
Light
Sun
25 Jan
28
Excellent
Dongxihu Air quality rank
Air quality in the last 12 months (Dongxihu)
|
2025/11
|
78
|
81
|
70
|
75
|
69
|
62
|
31
|
28
|
48
|
54
|
62
|
33
|
40
|
65
|
85
|
93
|
50
|
24
|
33
|
44
|
64
|
85
|
106
|
86
|
89
|
71
|
96
|
83
|
75
|
77
|
|
|
2025/10
|
49
|
43
|
15
|
34
|
61
|
56
|
34
|
55
|
60
|
41
|
34
|
43
|
15
|
28
|
44
|
25
|
31
|
8
|
11
|
24
|
20
|
22
|
27
|
30
|
53
|
72
|
72
|
78
|
86
|
56
|
45
|
|
2025/09
|
21
|
32
|
36
|
32
|
41
|
29
|
43
|
45
|
23
|
32
|
25
|
21
|
23
|
26
|
31
|
41
|
28
|
16
|
17
|
12
|
25
|
38
|
18
|
13
|
14
|
29
|
36
|
45
|
25
|
31
|
|
|
2025/08
|
35
|
30
|
43
|
49
|
40
|
28
|
20
|
20
|
27
|
26
|
15
|
24
|
22
|
25
|
23
|
23
|
29
|
29
|
22
|
15
|
18
|
20
|
23
|
26
|
26
|
34
|
32
|
28
|
40
|
25
|
19
|
|
2025/07
|
21
|
18
|
19
|
27
|
35
|
43
|
38
|
49
|
22
|
23
|
40
|
24
|
26
|
36
|
35
|
28
|
35
|
31
|
32
|
29
|
22
|
13
|
17
|
27
|
27
|
25
|
21
|
19
|
21
|
23
|
23
|
|
2025/06
|
10
|
21
|
49
|
60
|
46
|
42
|
17
|
14
|
16
|
36
|
31
|
36
|
36
|
24
|
31
|
39
|
33
|
18
|
14
|
16
|
10
|
16
|
28
|
25
|
40
|
21
|
25
|
18
|
13
|
21
|
|
|
2025/05
|
52
|
60
|
51
|
52
|
40
|
125
|
145
|
45
|
53
|
45
|
49
|
46
|
51
|
66
|
53
|
52
|
56
|
133
|
84
|
40
|
29
|
20
|
50
|
55
|
51
|
50
|
61
|
38
|
31
|
30
|
11
|
|
2025/04
|
70
|
66
|
61
|
71
|
79
|
77
|
77
|
73
|
68
|
47
|
57
|
201
|
116
|
101
|
59
|
61
|
68
|
74
|
68
|
60
|
35
|
53
|
61
|
62
|
73
|
49
|
50
|
56
|
51
|
42
|
|
|
2025/03
|
75
|
38
|
15
|
41
|
39
|
69
|
80
|
89
|
79
|
70
|
65
|
72
|
62
|
51
|
31
|
45
|
36
|
48
|
52
|
55
|
56
|
61
|
64
|
61
|
53
|
63
|
97
|
73
|
72
|
72
|
72
|
|
2025/02
|
72
|
61
|
96
|
96
|
69
|
43
|
78
|
43
|
51
|
65
|
75
|
93
|
111
|
93
|
86
|
82
|
68
|
70
|
68
|
92
|
88
|
81
|
112
|
122
|
116
|
96
|
61
|
68
|
|||
|
2025/01
|
135
|
176
|
194
|
214
|
81
|
82
|
57
|
69
|
48
|
45
|
86
|
80
|
106
|
111
|
63
|
73
|
92
|
101
|
148
|
165
|
156
|
152
|
219
|
97
|
17
|
40
|
56
|
81
|
202
|
82
|
121
|
|
2024/12
|
70
|
87
|
113
|
78
|
50
|
48
|
54
|
60
|
57
|
77
|
87
|
107
|
88
|
56
|
63
|
71
|
95
|
79
|
68
|
102
|
99
|
58
|
68
|
83
|
135
|
149
|
161
|
50
|
60
|
109
|
154
|
|
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