Air Quality
Excellent
No health implications.
17
PM2.5
40
PM10
27
O3
0.7
CO
7
SO2
43
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
66
Good
Sun
15 Jun
87
Good
Mon
16 Jun
90
Good
Tue
17 Jun
101
Light
Wed
18 Jun
88
Good
Thu
19 Jun
83
Good
Fri
20 Jun
22
Excellent
Air quality in the last 12 months (Dongxihu)
|
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
|
|
2024/11
|
77
|
85
|
94
|
86
|
56
|
59
|
55
|
53
|
50
|
47
|
57
|
55
|
58
|
62
|
90
|
59
|
18
|
20
|
22
|
30
|
45
|
63
|
75
|
72
|
31
|
40
|
49
|
59
|
60
|
64
|
|
|
2024/10
|
21
|
52
|
38
|
33
|
43
|
55
|
19
|
33
|
52
|
89
|
89
|
72
|
62
|
64
|
84
|
55
|
28
|
16
|
21
|
34
|
19
|
24
|
44
|
56
|
42
|
38
|
62
|
112
|
85
|
70
|
40
|
|
2024/09
|
44
|
51
|
34
|
43
|
50
|
45
|
41
|
44
|
48
|
40
|
42
|
25
|
24
|
28
|
36
|
22
|
41
|
35
|
23
|
29
|
29
|
25
|
30
|
42
|
63
|
54
|
64
|
33
|
39
|
43
|
|
|
2024/08
|
13
|
16
|
22
|
19
|
19
|
23
|
26
|
31
|
28
|
33
|
78
|
67
|
37
|
38
|
26
|
24
|
31
|
37
|
30
|
21
|
30
|
38
|
33
|
34
|
30
|
37
|
19
|
20
|
34
|
33
|
42
|
|
2024/07
|
25
|
21
|
24
|
15
|
16
|
16
|
17
|
19
|
21
|
19
|
29
|
29
|
17
|
22
|
31
|
31
|
21
|
17
|
14
|
17
|
18
|
21
|
22
|
37
|
28
|
20
|
14
|
11
|
9
|
14
|
17
|
|
2024/06
|
34
|
37
|
31
|
25
|
27
|
39
|
33
|
36
|
25
|
18
|
17
|
26
|
36
|
31
|
32
|
39
|
39
|
31
|
10
|
22
|
18
|
14
|
19
|
25
|
17
|
28
|
18
|
11
|
9
|
16
|
|
|
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