Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
92
O3
0.8
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jul
84
Good
Sat
11 Jul
84
Good
Sun
12 Jul
87
Good
Mon
13 Jul
54
Good
Tue
14 Jul
49
Excellent
Wed
15 Jul
68
Good
Thu
16 Jul
17
Excellent
Air quality in the last 12 months (Tongzhou)
|
2026/05
|
69
|
49
|
28
|
53
|
61
|
56
|
43
|
52
|
68
|
61
|
63
|
80
|
96
|
83
|
65
|
53
|
27
|
25
|
41
|
33
|
35
|
43
|
34
|
79
|
42
|
29
|
47
|
30
|
39
|
56
|
72
|
|
2026/04
|
53
|
78
|
107
|
67
|
41
|
30
|
33
|
73
|
66
|
56
|
67
|
83
|
92
|
83
|
101
|
98
|
74
|
122
|
84
|
100
|
72
|
54
|
60
|
64
|
73
|
57
|
49
|
41
|
33
|
54
|
|
|
2026/03
|
84
|
122
|
105
|
72
|
71
|
46
|
85
|
67
|
32
|
89
|
66
|
97
|
86
|
47
|
57
|
73
|
154
|
37
|
57
|
61
|
92
|
109
|
107
|
165
|
176
|
199
|
34
|
78
|
84
|
28
|
54
|
|
2026/02
|
47
|
26
|
83
|
104
|
64
|
10
|
18
|
34
|
91
|
98
|
43
|
83
|
90
|
100
|
15
|
23
|
75
|
30
|
67
|
91
|
165
|
47
|
33
|
70
|
103
|
79
|
38
|
75
|
|||
|
2026/01
|
29
|
43
|
51
|
83
|
46
|
46
|
28
|
63
|
94
|
37
|
33
|
66
|
33
|
60
|
99
|
50
|
27
|
42
|
21
|
20
|
27
|
50
|
47
|
57
|
48
|
66
|
37
|
66
|
65
|
110
|
83
|
|
2025/12
|
31
|
24
|
32
|
37
|
60
|
94
|
58
|
34
|
71
|
84
|
72
|
41
|
36
|
50
|
92
|
67
|
110
|
196
|
149
|
16
|
33
|
70
|
53
|
26
|
26
|
66
|
67
|
141
|
35
|
27
|
21
|
|
2025/11
|
63
|
15
|
57
|
83
|
191
|
153
|
84
|
64
|
31
|
64
|
104
|
67
|
22
|
66
|
85
|
31
|
21
|
29
|
49
|
29
|
60
|
73
|
94
|
63
|
34
|
73
|
30
|
81
|
99
|
99
|
|
|
2025/10
|
49
|
56
|
47
|
57
|
55
|
23
|
51
|
26
|
9
|
13
|
21
|
42
|
54
|
51
|
82
|
71
|
35
|
10
|
16
|
19
|
32
|
58
|
66
|
99
|
138
|
35
|
40
|
128
|
180
|
152
|
61
|
|
2025/09
|
26
|
45
|
47
|
66
|
56
|
26
|
40
|
31
|
57
|
40
|
59
|
73
|
53
|
37
|
31
|
23
|
18
|
29
|
40
|
44
|
57
|
36
|
50
|
63
|
50
|
55
|
57
|
43
|
41
|
42
|
|
|
2025/08
|
56
|
58
|
28
|
35
|
30
|
45
|
24
|
38
|
13
|
33
|
39
|
51
|
20
|
33
|
43
|
22
|
39
|
37
|
27
|
28
|
28
|
26
|
26
|
15
|
35
|
33
|
25
|
15
|
45
|
33
|
26
|
|
2025/07
|
38
|
39
|
24
|
42
|
32
|
13
|
37
|
35
|
51
|
28
|
52
|
61
|
19
|
44
|
48
|
32
|
21
|
43
|
52
|
22
|
32
|
58
|
37
|
24
|
31
|
45
|
43
|
26
|
12
|
21
|
45
|
|
2025/06
|
60
|
25
|
16
|
33
|
55
|
36
|
34
|
49
|
47
|
35
|
58
|
72
|
63
|
53
|
20
|
20
|
49
|
63
|
41
|
24
|
20
|
43
|
61
|
72
|
61
|
60
|
61
|
52
|
77
|
55
|
|
|
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