Air Quality
Excellent
No health implications.
18
PM2.5
41
PM10
32
O3
0.4
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
113
Light
Sat
13 Dec
78
Good
Sun
14 Dec
84
Good
Mon
15 Dec
85
Good
Tue
16 Dec
130
Light
Wed
17 Dec
185
Moderate
Thu
18 Dec
34
Excellent
Air quality in the last 12 months (Xihua)
|
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
|
|
2025/04
|
67
|
51
|
58
|
79
|
79
|
83
|
81
|
81
|
111
|
108
|
73
|
261
|
130
|
64
|
59
|
87
|
91
|
85
|
45
|
59
|
51
|
70
|
91
|
106
|
77
|
70
|
81
|
53
|
53
|
84
|
|
|
2025/03
|
94
|
65
|
39
|
36
|
66
|
85
|
77
|
84
|
108
|
112
|
93
|
130
|
137
|
48
|
68
|
50
|
49
|
61
|
60
|
49
|
43
|
62
|
72
|
198
|
62
|
81
|
119
|
180
|
69
|
67
|
78
|
|
2025/02
|
97
|
138
|
147
|
47
|
56
|
55
|
101
|
64
|
58
|
65
|
118
|
129
|
107
|
85
|
79
|
77
|
81
|
82
|
109
|
77
|
79
|
109
|
108
|
66
|
76
|
102
|
119
|
100
|
|||
|
2025/01
|
146
|
138
|
138
|
223
|
117
|
69
|
63
|
58
|
52
|
77
|
76
|
60
|
95
|
152
|
56
|
60
|
85
|
110
|
107
|
173
|
201
|
225
|
109
|
139
|
149
|
77
|
38
|
115
|
288
|
179
|
108
|
|
2024/12
|
67
|
83
|
76
|
117
|
101
|
81
|
109
|
54
|
68
|
102
|
123
|
132
|
86
|
66
|
58
|
73
|
105
|
73
|
63
|
105
|
95
|
65
|
80
|
120
|
137
|
204
|
126
|
52
|
81
|
99
|
95
|
|
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