Gansu - China   2025-08-12   Tuesday   34.06N, 103.22E

Tewo

Gansu - China
2025-08-12

Air Quality

Good

Some pollutants may slightly affect very few hypersensitive individuals.

20

PM2.5

69 *

PM10

24

O3

0.3

CO

6

SO2

21

NO2

Some pollutants may slightly affect very few hypersensitive individuals.

Advise

Only very few hypersensitive people should reduce outdoor activities.

Air Quality

Today

12 Aug

59 Good

Wed

13 Aug

55 Good

Thu

14 Aug

55 Good

Fri

15 Aug

58 Good

Sat

16 Aug

55 Good

Sun

17 Aug

15 Excellent

Mon

18 Aug

35 Excellent

Tewo Air quality rank

Monthly Average AQI (Tewo)

2020/07 - 2025/06

Air quality in the last 12 months (Tewo)

2025/06
25
30
29
33
45
44
38
44
25
37
42
37
40
37
50
47
51
34
29
43
39
22
31
21
29
35
34
38
39
29
2025/05
47
64
107
70
39
54
64
67
58
49
42
53
51
48
26
49
47
51
54
43
43
67
64
48
36
48
32
37
35
62
56
2025/04
71
77
70
75
75
52
39
72
77
67
54
135
93
65
61
72
59
120
95
64
76
66
46
43
43
27
37
52
46
54
2025/03
47
53
50
44
42
49
73
60
43
44
76
93
57
34
43
39
39
45
54
54
46
46
55
38
33
129
141
63
72
77
74
2025/02
31
37
37
32
48
47
47
49
46
46
58
66
54
56
51
45
38
34
47
41
40
28
40
36
42
42
44
39
2025/01
56
62
53
60
50
55
51
60
56
54
46
47
40
54
58
42
49
53
53
55
53
58
57
54
55
48
34
44
73
41
37
2024/12
49
51
49
43
40
39
42
31
27
33
39
36
34
38
42
39
43
35
43
49
56
55
56
64
61
56
63
60
56
48
48
2024/11
29
28
31
29
32
27
26
30
30
25
36
27
36
28
25
23
23
25
24
24
29
29
23
24
36
36
38
41
42
46
2024/10
22
32
34
33
35
35
32
31
28
24
26
22
25
25
25
22
20
28
20
23
35
35
35
31
29
21
33
35
31
21
22
2024/09
31
27
29
20
16
20
21
30
18
18
21
24
17
20
20
18
23
22
21
19
18
27
36
34
34
36
41
37
20
20
2024/08
29
34
26
27
31
29
25
19
38
43
34
33
31
29
27
29
32
30
35
34
34
32
32
28
31
22
28
30
30
30
39
2024/07
22
27
26
24
27
40
20
14
23
26
37
33
23
19
21
22
22
25
23
22
76
36
25
56
55
49
32
30
26
27
30
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