Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
160
O3
0.5
CO
2
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
100
Good
Mon
23 Jun
99
Good
Tue
24 Jun
122
Light
Wed
25 Jun
93
Good
Thu
26 Jun
70
Good
Fri
27 Jun
107
Light
Sat
28 Jun
19
Excellent
Air quality in the last 12 months (Xihua)
|
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
|
|
2024/11
|
111
|
102
|
121
|
77
|
58
|
88
|
67
|
60
|
69
|
80
|
129
|
136
|
113
|
96
|
105
|
79
|
38
|
47
|
35
|
68
|
77
|
113
|
77
|
54
|
52
|
50
|
65
|
59
|
47
|
64
|
|
|
2024/10
|
42
|
57
|
66
|
72
|
55
|
55
|
113
|
158
|
81
|
150
|
101
|
117
|
106
|
112
|
89
|
122
|
57
|
23
|
32
|
41
|
55
|
66
|
81
|
59
|
72
|
119
|
156
|
136
|
136
|
106
|
99
|
|
2024/09
|
47
|
36
|
42
|
48
|
54
|
34
|
56
|
57
|
52
|
54
|
30
|
32
|
27
|
47
|
41
|
51
|
54
|
25
|
35
|
52
|
24
|
37
|
58
|
61
|
66
|
73
|
66
|
58
|
57
|
27
|
|
|
2024/08
|
19
|
20
|
26
|
28
|
32
|
13
|
19
|
19
|
31
|
110
|
109
|
37
|
47
|
46
|
40
|
32
|
32
|
39
|
25
|
26
|
33
|
41
|
45
|
47
|
48
|
42
|
22
|
33
|
37
|
38
|
42
|
|
2024/07
|
40
|
28
|
34
|
16
|
25
|
13
|
26
|
25
|
29
|
58
|
45
|
29
|
44
|
47
|
25
|
25
|
14
|
14
|
22
|
22
|
28
|
30
|
32
|
37
|
43
|
39
|
19
|
14
|
15
|
20
|
19
|
|
2024/06
|
81
|
96
|
76
|
83
|
68
|
52
|
36
|
62
|
64
|
54
|
52
|
51
|
54
|
53
|
65
|
40
|
45
|
49
|
58
|
42
|
41
|
39
|
55
|
107
|
98
|
54
|
56
|
26
|
19
|
26
|
|
|
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