Air Quality
Excellent
No health implications.
18
PM2.5
36
PM10
30
O3
0.7
CO
8
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Mar
62
Good
Mon
24 Mar
57
Good
Tue
25 Mar
61
Good
Wed
26 Mar
79
Good
Thu
27 Mar
57
Good
Fri
28 Mar
42
Excellent
Sat
29 Mar
46
Excellent
Air quality in the last 12 months (Tonghe)
|
2025/02
|
97
|
120
|
116
|
79
|
65
|
65
|
55
|
46
|
66
|
86
|
86
|
92
|
67
|
60
|
69
|
52
|
45
|
39
|
45
|
57
|
56
|
54
|
53
|
48
|
56
|
44
|
61
|
72
|
|||
|
2025/01
|
110
|
114
|
106
|
124
|
116
|
116
|
110
|
73
|
63
|
94
|
134
|
132
|
122
|
150
|
89
|
58
|
76
|
93
|
132
|
147
|
157
|
148
|
146
|
147
|
145
|
153
|
69
|
71
|
91
|
65
|
74
|
|
2024/12
|
65
|
47
|
39
|
37
|
45
|
42
|
51
|
64
|
80
|
95
|
57
|
67
|
82
|
71
|
51
|
58
|
72
|
68
|
82
|
132
|
97
|
78
|
70
|
75
|
71
|
43
|
58
|
74
|
74
|
86
|
83
|
|
2024/11
|
79
|
55
|
56
|
42
|
55
|
61
|
71
|
82
|
94
|
73
|
119
|
89
|
91
|
132
|
127
|
59
|
35
|
41
|
74
|
113
|
134
|
49
|
59
|
57
|
60
|
50
|
38
|
49
|
42
|
55
|
|
|
2024/10
|
23
|
30
|
25
|
31
|
47
|
38
|
40
|
56
|
51
|
38
|
26
|
39
|
46
|
50
|
24
|
24
|
45
|
49
|
30
|
47
|
33
|
37
|
41
|
59
|
65
|
65
|
61
|
63
|
65
|
73
|
74
|
|
2024/09
|
18
|
19
|
25
|
24
|
19
|
20
|
21
|
25
|
26
|
21
|
22
|
31
|
24
|
27
|
24
|
32
|
34
|
29
|
26
|
27
|
30
|
28
|
29
|
32
|
29
|
24
|
29
|
39
|
35
|
24
|
|
|
2024/08
|
13
|
14
|
15
|
18
|
14
|
17
|
25
|
26
|
26
|
31
|
16
|
17
|
21
|
28
|
30
|
32
|
27
|
32
|
17
|
18
|
22
|
19
|
23
|
31
|
29
|
22
|
25
|
21
|
22
|
20
|
19
|
|
2024/07
|
69
|
51
|
43
|
28
|
30
|
45
|
58
|
56
|
54
|
52
|
72
|
64
|
46
|
51
|
48
|
50
|
33
|
24
|
31
|
32
|
25
|
22
|
25
|
25
|
20
|
13
|
13
|
17
|
16
|
16
|
19
|
|
2024/06
|
16
|
17
|
21
|
18
|
28
|
31
|
36
|
28
|
21
|
22
|
30
|
22
|
19
|
13
|
13
|
17
|
18
|
22
|
30
|
26
|
20
|
15
|
12
|
14
|
17
|
23
|
24
|
48
|
39
|
52
|
|
|
2024/05
|
48
|
52
|
56
|
68
|
75
|
56
|
43
|
40
|
34
|
30
|
31
|
27
|
27
|
28
|
20
|
22
|
29
|
38
|
20
|
21
|
22
|
42
|
23
|
23
|
21
|
18
|
16
|
22
|
19
|
15
|
15
|
|
2024/04
|
44
|
49
|
54
|
44
|
51
|
69
|
33
|
38
|
55
|
91
|
92
|
76
|
64
|
80
|
80
|
67
|
36
|
58
|
55
|
82
|
135
|
148
|
82
|
84
|
67
|
48
|
46
|
47
|
55
|
47
|
|
|
2024/03
|
42
|
44
|
49
|
53
|
51
|
55
|
58
|
43
|
48
|
64
|
70
|
50
|
53
|
49
|
41
|
31
|
30
|
37
|
37
|
37
|
35
|
32
|
39
|
30
|
38
|
43
|
40
|
205
|
78
|
38
|
38
|
|
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