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
15 Aug
Sun
16 Aug
Mon
17 Aug
Tue
18 Aug
Wed
19 Aug
Thu
20 Aug
Fri
21 Aug
Real-time AQI (Monitoring Station in Zhaotong)
监测站
4120
PM2.5
41
PM10
92
O3
0.4
CO
5
SO2
12
NO2
环东路146号
4514
PM2.5
45
PM10
88
O3
0.4
CO
7
SO2
18
NO2
Air quality in the last 12 months (Zhaotong)
|
2026/07
|
35
|
26
|
21
|
21
|
27
|
37
|
39
|
38
|
33
|
36
|
35
|
31
|
32
|
34
|
39
|
37
|
34
|
31
|
57
|
48
|
47
|
47
|
44
|
39
|
41
|
35
|
32
|
26
|
23
|
23
|
25
|
|
2026/06
|
39
|
47
|
31
|
39
|
49
|
49
|
39
|
30
|
34
|
35
|
37
|
43
|
31
|
33
|
37
|
22
|
21
|
21
|
27
|
32
|
23
|
22
|
24
|
21
|
19
|
22
|
28
|
24
|
26
|
28
|
|
|
2026/05
|
36
|
25
|
31
|
28
|
30
|
37
|
50
|
37
|
28
|
36
|
36
|
29
|
40
|
44
|
32
|
35
|
30
|
26
|
37
|
41
|
41
|
43
|
39
|
31
|
37
|
31
|
34
|
27
|
29
|
41
|
43
|
|
2026/04
|
35
|
34
|
35
|
42
|
47
|
44
|
34
|
42
|
36
|
39
|
41
|
34
|
35
|
29
|
37
|
35
|
34
|
36
|
51
|
38
|
31
|
28
|
35
|
42
|
45
|
44
|
33
|
30
|
34
|
42
|
|
|
2026/03
|
42
|
23
|
21
|
28
|
32
|
36
|
31
|
27
|
22
|
29
|
38
|
55
|
48
|
36
|
23
|
31
|
36
|
27
|
37
|
29
|
39
|
30
|
33
|
29
|
34
|
35
|
30
|
31
|
30
|
35
|
27
|
|
2026/02
|
33
|
37
|
40
|
43
|
41
|
53
|
51
|
34
|
39
|
34
|
36
|
53
|
47
|
49
|
40
|
78
|
74
|
38
|
30
|
51
|
56
|
59
|
55
|
46
|
45
|
54
|
43
|
45
|
|||
|
2026/01
|
33
|
25
|
39
|
28
|
33
|
31
|
36
|
44
|
73
|
98
|
77
|
79
|
61
|
51
|
68
|
70
|
79
|
51
|
79
|
36
|
32
|
32
|
60
|
57
|
44
|
41
|
82
|
67
|
53
|
38
|
33
|
|
2025/12
|
81
|
66
|
44
|
31
|
43
|
58
|
45
|
62
|
54
|
46
|
68
|
45
|
37
|
59
|
66
|
59
|
46
|
58
|
55
|
42
|
48
|
55
|
39
|
49
|
41
|
64
|
58
|
69
|
56
|
40
|
37
|
|
2025/11
|
24
|
26
|
24
|
33
|
30
|
22
|
30
|
27
|
23
|
28
|
26
|
26
|
27
|
25
|
35
|
37
|
26
|
24
|
29
|
31
|
37
|
47
|
49
|
55
|
48
|
62
|
57
|
59
|
69
|
79
|
|
|
2025/10
|
23
|
22
|
25
|
27
|
27
|
27
|
20
|
21
|
22
|
26
|
25
|
25
|
24
|
27
|
28
|
26
|
20
|
22
|
19
|
19
|
18
|
26
|
23
|
25
|
24
|
24
|
25
|
31
|
26
|
33
|
26
|
|
2025/09
|
34
|
32
|
36
|
41
|
34
|
29
|
41
|
29
|
34
|
36
|
31
|
27
|
31
|
41
|
37
|
31
|
32
|
28
|
28
|
28
|
31
|
24
|
23
|
28
|
42
|
28
|
25
|
29
|
26
|
19
|
|
|
2025/08
|
36
|
38
|
42
|
46
|
41
|
41
|
36
|
39
|
36
|
34
|
26
|
36
|
35
|
42
|
40
|
37
|
30
|
32
|
37
|
41
|
37
|
28
|
28
|
25
|
32
|
27
|
27
|
33
|
30
|
26
|
28
|
|
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