Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
Mon
21 Apr
Tue
22 Apr
Wed
23 Apr
Thu
24 Apr
Fri
25 Apr
Sat
26 Apr
Real-time AQI (Monitoring Station in Tongren)
铜仁卫校
246
PM2.5
12
PM10
75
O3
0.3
CO
2
SO2
8
NO2
铜仁七中
309
PM2.5
14
PM10
93
O3
0.3
CO
2
SO2
11
NO2
Air quality in the last 12 months (Tongren)
|
2025/02
|
25
|
19
|
43
|
47
|
60
|
63
|
50
|
68
|
46
|
44
|
48
|
67
|
67
|
39
|
36
|
47
|
34
|
33
|
35
|
40
|
100
|
36
|
55
|
90
|
42
|
37
|
40
|
39
|
|||
|
2025/01
|
89
|
109
|
103
|
130
|
107
|
69
|
66
|
55
|
49
|
57
|
62
|
68
|
64
|
63
|
70
|
67
|
85
|
98
|
83
|
94
|
114
|
139
|
147
|
119
|
22
|
29
|
48
|
95
|
181
|
89
|
46
|
|
2024/12
|
48
|
46
|
86
|
83
|
24
|
43
|
46
|
46
|
56
|
29
|
38
|
68
|
72
|
53
|
49
|
50
|
75
|
80
|
78
|
87
|
99
|
81
|
58
|
69
|
77
|
75
|
80
|
102
|
102
|
114
|
75
|
|
2024/11
|
38
|
50
|
53
|
48
|
60
|
54
|
43
|
46
|
51
|
42
|
32
|
48
|
65
|
65
|
99
|
77
|
14
|
14
|
13
|
15
|
23
|
23
|
58
|
31
|
19
|
21
|
27
|
31
|
30
|
41
|
|
|
2024/10
|
14
|
24
|
30
|
28
|
40
|
49
|
42
|
29
|
32
|
35
|
52
|
70
|
56
|
25
|
34
|
25
|
31
|
28
|
20
|
15
|
14
|
16
|
18
|
24
|
27
|
29
|
31
|
38
|
37
|
36
|
40
|
|
2024/09
|
26
|
20
|
24
|
22
|
35
|
32
|
35
|
29
|
22
|
21
|
27
|
29
|
19
|
19
|
31
|
35
|
31
|
28
|
27
|
27
|
27
|
17
|
23
|
27
|
28
|
34
|
41
|
33
|
47
|
46
|
|
|
2024/08
|
15
|
21
|
20
|
16
|
17
|
19
|
19
|
21
|
20
|
22
|
29
|
46
|
36
|
31
|
34
|
33
|
25
|
21
|
18
|
20
|
22
|
21
|
17
|
15
|
15
|
18
|
19
|
15
|
16
|
19
|
21
|
|
2024/07
|
13
|
17
|
15
|
16
|
13
|
13
|
14
|
15
|
16
|
19
|
18
|
18
|
18
|
20
|
17
|
17
|
15
|
16
|
14
|
15
|
16
|
18
|
18
|
16
|
18
|
24
|
21
|
20
|
15
|
19
|
18
|
|
2024/06
|
17
|
15
|
19
|
12
|
13
|
14
|
15
|
13
|
13
|
12
|
14
|
13
|
17
|
13
|
17
|
16
|
14
|
13
|
14
|
19
|
19
|
17
|
16
|
14
|
18
|
15
|
12
|
19
|
14
|
15
|
|
|
2024/05
|
13
|
15
|
11
|
12
|
15
|
25
|
22
|
29
|
23
|
26
|
15
|
28
|
22
|
29
|
40
|
48
|
37
|
14
|
12
|
11
|
17
|
27
|
23
|
19
|
19
|
19
|
14
|
23
|
12
|
13
|
15
|
|
2024/04
|
23
|
23
|
15
|
29
|
17
|
14
|
14
|
20
|
17
|
19
|
26
|
26
|
22
|
24
|
43
|
32
|
13
|
28
|
15
|
20
|
41
|
37
|
26
|
28
|
17
|
17
|
17
|
19
|
16
|
12
|
|
|
2024/03
|
75
|
48
|
46
|
37
|
29
|
55
|
64
|
48
|
55
|
50
|
45
|
35
|
29
|
31
|
39
|
23
|
21
|
14
|
30
|
55
|
44
|
54
|
38
|
31
|
20
|
13
|
20
|
21
|
24
|
25
|
23
|
|
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
*: primary pollution