Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
28
O3
0.5
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
46
Excellent
Tue
26 May
45
Excellent
Wed
27 May
84
Good
Thu
28 May
87
Good
Fri
29 May
88
Good
Sat
30 May
85
Good
Sun
31 May
48
Excellent
Air quality in the last 12 months (Xihua)
|
2026/04
|
67
|
52
|
41
|
73
|
90
|
76
|
63
|
36
|
36
|
60
|
59
|
58
|
40
|
37
|
45
|
63
|
68
|
63
|
65
|
79
|
55
|
33
|
36
|
30
|
39
|
47
|
75
|
60
|
44
|
47
|
|
|
2026/03
|
56
|
66
|
68
|
109
|
67
|
97
|
75
|
93
|
138
|
121
|
151
|
217
|
103
|
132
|
48
|
114
|
101
|
80
|
64
|
84
|
80
|
86
|
112
|
113
|
83
|
70
|
70
|
63
|
70
|
78
|
72
|
|
2026/02
|
91
|
111
|
120
|
109
|
154
|
75
|
74
|
90
|
62
|
88
|
94
|
90
|
99
|
95
|
100
|
46
|
87
|
77
|
70
|
63
|
61
|
237
|
205
|
51
|
46
|
46
|
108
|
70
|
|||
|
2026/01
|
52
|
118
|
100
|
108
|
202
|
59
|
45
|
71
|
61
|
80
|
54
|
70
|
101
|
170
|
97
|
116
|
91
|
59
|
60
|
41
|
68
|
84
|
119
|
136
|
189
|
185
|
162
|
88
|
111
|
121
|
123
|
|
2025/12
|
148
|
92
|
61
|
96
|
131
|
118
|
115
|
108
|
93
|
145
|
205
|
53
|
47
|
51
|
60
|
139
|
210
|
223
|
180
|
212
|
139
|
52
|
81
|
91
|
96
|
63
|
86
|
106
|
170
|
188
|
101
|
|
2025/11
|
97
|
90
|
82
|
78
|
92
|
76
|
55
|
64
|
66
|
88
|
64
|
66
|
99
|
148
|
119
|
133
|
39
|
46
|
51
|
58
|
83
|
86
|
83
|
116
|
92
|
102
|
276
|
115
|
83
|
122
|
|
|
2025/10
|
28
|
12
|
34
|
31
|
26
|
13
|
32
|
66
|
22
|
13
|
16
|
21
|
20
|
30
|
35
|
43
|
14
|
35
|
46
|
39
|
51
|
63
|
82
|
97
|
79
|
84
|
102
|
70
|
77
|
87
|
196
|
|
2025/09
|
34
|
41
|
39
|
47
|
49
|
50
|
54
|
18
|
27
|
33
|
17
|
19
|
39
|
31
|
24
|
29
|
24
|
18
|
12
|
25
|
41
|
27
|
16
|
32
|
34
|
29
|
19
|
32
|
31
|
37
|
|
|
2025/08
|
41
|
26
|
34
|
30
|
40
|
29
|
19
|
23
|
25
|
33
|
17
|
21
|
26
|
22
|
30
|
29
|
27
|
32
|
36
|
25
|
24
|
32
|
30
|
36
|
31
|
36
|
32
|
37
|
39
|
42
|
28
|
|
2025/07
|
25
|
23
|
25
|
26
|
25
|
42
|
42
|
43
|
21
|
42
|
61
|
42
|
37
|
36
|
35
|
49
|
39
|
42
|
43
|
45
|
38
|
33
|
19
|
25
|
34
|
31
|
30
|
31
|
25
|
39
|
43
|
|
2025/06
|
52
|
54
|
64
|
60
|
55
|
55
|
63
|
54
|
47
|
40
|
44
|
47
|
53
|
45
|
42
|
75
|
54
|
31
|
19
|
34
|
49
|
26
|
45
|
39
|
50
|
44
|
35
|
25
|
19
|
21
|
|
|
2025/05
|
82
|
115
|
51
|
53
|
117
|
199
|
139
|
86
|
86
|
36
|
56
|
56
|
57
|
57
|
73
|
74
|
164
|
93
|
111
|
72
|
63
|
83
|
77
|
66
|
61
|
54
|
77
|
70
|
79
|
65
|
43
|
|
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