Air Quality
Excellent
No health implications.
21
PM2.5
36
PM10
57
O3
0.3
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
78
Good
Mon
11 May
76
Good
Tue
12 May
68
Good
Wed
13 May
56
Good
Thu
14 May
72
Good
Fri
15 May
26
Excellent
Sat
16 May
29
Excellent
Air quality in the last 12 months (Tonghe)
|
2026/04
|
78
|
167
|
110
|
46
|
43
|
40
|
29
|
59
|
62
|
34
|
27
|
34
|
29
|
44
|
49
|
58
|
53
|
33
|
43
|
65
|
46
|
32
|
39
|
43
|
34
|
31
|
34
|
39
|
35
|
49
|
|
|
2026/03
|
36
|
37
|
44
|
49
|
53
|
44
|
44
|
39
|
45
|
40
|
50
|
46
|
45
|
50
|
59
|
56
|
98
|
91
|
66
|
57
|
137
|
135
|
105
|
108
|
155
|
164
|
145
|
153
|
120
|
51
|
86
|
|
2026/02
|
67
|
75
|
65
|
81
|
43
|
34
|
44
|
46
|
63
|
87
|
77
|
66
|
95
|
74
|
38
|
73
|
118
|
41
|
59
|
57
|
81
|
73
|
61
|
46
|
45
|
50
|
35
|
38
|
|||
|
2026/01
|
45
|
56
|
82
|
64
|
61
|
69
|
50
|
46
|
71
|
73
|
69
|
70
|
72
|
61
|
74
|
79
|
75
|
83
|
85
|
57
|
54
|
52
|
57
|
57
|
49
|
57
|
64
|
73
|
56
|
47
|
61
|
|
2025/12
|
66
|
50
|
49
|
49
|
49
|
57
|
75
|
70
|
62
|
56
|
45
|
50
|
76
|
99
|
87
|
51
|
66
|
75
|
65
|
47
|
50
|
68
|
61
|
74
|
72
|
56
|
76
|
79
|
56
|
50
|
45
|
|
2025/11
|
101
|
42
|
42
|
52
|
118
|
105
|
44
|
84
|
66
|
35
|
64
|
80
|
50
|
85
|
82
|
82
|
48
|
56
|
112
|
100
|
60
|
175
|
207
|
140
|
120
|
172
|
108
|
71
|
55
|
54
|
|
|
2025/10
|
33
|
36
|
40
|
33
|
30
|
28
|
33
|
33
|
35
|
41
|
55
|
33
|
40
|
51
|
51
|
36
|
65
|
27
|
30
|
27
|
35
|
43
|
50
|
55
|
128
|
129
|
71
|
65
|
124
|
90
|
68
|
|
2025/09
|
24
|
24
|
23
|
35
|
31
|
19
|
19
|
21
|
21
|
22
|
23
|
31
|
33
|
34
|
21
|
21
|
21
|
22
|
22
|
28
|
27
|
26
|
29
|
27
|
22
|
24
|
30
|
35
|
36
|
44
|
|
|
2025/08
|
21
|
22
|
18
|
19
|
15
|
17
|
15
|
18
|
17
|
16
|
14
|
23
|
23
|
15
|
19
|
16
|
15
|
18
|
18
|
18
|
17
|
15
|
20
|
17
|
15
|
14
|
19
|
20
|
17
|
20
|
31
|
|
2025/07
|
14
|
17
|
20
|
21
|
22
|
18
|
17
|
21
|
19
|
20
|
26
|
24
|
18
|
18
|
16
|
13
|
17
|
18
|
19
|
15
|
13
|
22
|
22
|
21
|
16
|
16
|
18
|
15
|
17
|
12
|
17
|
|
2025/06
|
32
|
26
|
20
|
17
|
18
|
16
|
17
|
25
|
23
|
18
|
16
|
19
|
26
|
27
|
25
|
21
|
15
|
22
|
18
|
19
|
13
|
17
|
26
|
33
|
39
|
41
|
39
|
32
|
20
|
24
|
|
|
2025/05
|
38
|
34
|
29
|
25
|
23
|
29
|
32
|
32
|
28
|
23
|
44
|
62
|
59
|
42
|
39
|
27
|
25
|
25
|
23
|
28
|
32
|
23
|
19
|
22
|
18
|
23
|
31
|
41
|
47
|
42
|
50
|
|
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