Gansu - China   2026-02-21   Saturday   34.06N, 103.22E

Tewo

Gansu - China
2026-02-21

Air Quality

Good

Some pollutants may slightly affect very few hypersensitive individuals.

41 *

PM2.5

47

PM10

28

O3

0.7

CO

11

SO2

20

NO2

Some pollutants may slightly affect very few hypersensitive individuals.

Advise

Only very few hypersensitive people should reduce outdoor activities.

Air Quality

Today

21 Feb

54 Good

Sun

22 Feb

58 Good

Mon

23 Feb

50 Excellent

Tue

24 Feb

48 Excellent

Wed

25 Feb

55 Good

Thu

26 Feb

53 Good

Fri

27 Feb

28 Excellent

Monthly Average AQI (Tewo)

2021/02 - 2026/01

Air quality in the last 12 months (Tewo)

2026/01
66
54
53
62
58
56
51
50
56
52
53
54
54
54
61
61
54
70
67
62
58
59
51
43
107
155
111
91
80
61
63
2025/12
59
65
57
60
59
54
63
58
55
55
49
95
65
58
57
62
59
53
62
52
55
58
62
58
52
53
56
54
58
51
57
2025/11
46
32
35
31
28
19
49
66
52
31
39
42
38
48
49
48
59
44
44
55
55
55
49
72
66
62
65
63
61
60
2025/10
22
29
31
21
21
17
18
17
20
17
15
23
31
30
31
37
28
38
30
31
24
21
19
18
26
32
40
42
46
45
55
2025/09
31
30
31
31
37
62
58
46
36
30
33
36
47
40
25
35
24
19
26
27
20
25
35
40
39
25
20
18
23
24
2025/08
33
33
32
21
25
30
24
23
19
24
36
37
33
37
36
40
34
30
19
22
19
19
22
34
28
21
18
13
24
36
38
2025/07
38
32
25
21
28
26
31
36
37
38
34
29
36
39
34
48
47
29
53
24
24
31
29
23
24
30
39
35
30
29
29
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
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