Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
110
*
PM10
95
O3
0.2
CO
8
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 Feb
70
Good
Mon
24 Feb
83
Good
Tue
25 Feb
72
Good
Wed
26 Feb
74
Good
Thu
27 Feb
71
Good
Fri
28 Feb
74
Good
Sat
1 Mar
17
Excellent
Real-time AQI (Monitoring Station in Zhangye)
科委
8028
PM2.5
110 *
PM10
95
O3
0.2
CO
8
SO2
9
NO2
Air quality in the last 12 months (Zhangye)
|
2025/01
|
78
|
67
|
81
|
77
|
44
|
59
|
70
|
65
|
67
|
55
|
106
|
61
|
75
|
55
|
41
|
48
|
78
|
53
|
53
|
43
|
87
|
84
|
87
|
70
|
76
|
81
|
64
|
68
|
67
|
54
|
42
|
|
2024/12
|
46
|
58
|
61
|
67
|
55
|
48
|
57
|
63
|
74
|
69
|
73
|
72
|
56
|
54
|
49
|
55
|
62
|
64
|
68
|
74
|
66
|
102
|
89
|
62
|
62
|
48
|
46
|
77
|
129
|
69
|
102
|
|
2024/11
|
79
|
70
|
74
|
72
|
62
|
59
|
68
|
83
|
89
|
100
|
72
|
76
|
68
|
143
|
173
|
59
|
69
|
77
|
64
|
62
|
68
|
77
|
99
|
63
|
34
|
52
|
46
|
46
|
45
|
50
|
|
|
2024/10
|
36
|
38
|
47
|
53
|
49
|
37
|
51
|
71
|
63
|
59
|
62
|
55
|
56
|
71
|
72
|
70
|
63
|
111
|
219
|
101
|
40
|
36
|
46
|
60
|
54
|
63
|
46
|
60
|
65
|
71
|
71
|
|
2024/09
|
28
|
30
|
65
|
17
|
20
|
20
|
25
|
55
|
60
|
35
|
27
|
39
|
37
|
42
|
51
|
45
|
31
|
41
|
33
|
28
|
34
|
40
|
42
|
85
|
66
|
37
|
62
|
47
|
44
|
31
|
|
|
2024/08
|
42
|
18
|
22
|
26
|
35
|
36
|
28
|
166
|
133
|
24
|
24
|
43
|
48
|
51
|
31
|
28
|
26
|
27
|
29
|
39
|
33
|
45
|
47
|
122
|
89
|
77
|
51
|
68
|
51
|
100
|
65
|
|
2024/07
|
22
|
25
|
60
|
157
|
63
|
37
|
41
|
297
|
116
|
68
|
79
|
49
|
44
|
29
|
22
|
28
|
47
|
47
|
26
|
251
|
101
|
54
|
38
|
27
|
25
|
35
|
33
|
47
|
40
|
35
|
37
|
|
2024/06
|
53
|
50
|
51
|
37
|
70
|
41
|
49
|
37
|
28
|
33
|
37
|
33
|
159
|
40
|
55
|
56
|
86
|
194
|
45
|
21
|
35
|
37
|
38
|
49
|
106
|
66
|
67
|
41
|
84
|
21
|
|
|
2024/05
|
51
|
69
|
57
|
75
|
78
|
86
|
74
|
120
|
90
|
38
|
26
|
47
|
39
|
182
|
500
|
500
|
491
|
167
|
112
|
127
|
112
|
125
|
110
|
123
|
94
|
69
|
61
|
84
|
44
|
27
|
33
|
|
2024/04
|
189
|
62
|
120
|
102
|
57
|
52
|
85
|
81
|
63
|
51
|
95
|
92
|
318
|
278
|
113
|
101
|
124
|
77
|
45
|
32
|
49
|
79
|
51
|
60
|
54
|
356
|
358
|
59
|
49
|
38
|
|
|
2024/03
|
57
|
39
|
62
|
76
|
86
|
78
|
69
|
50
|
163
|
192
|
83
|
108
|
107
|
160
|
350
|
81
|
90
|
70
|
77
|
83
|
93
|
108
|
66
|
30
|
41
|
91
|
74
|
78
|
92
|
111
|
98
|
|
2024/02
|
129
|
112
|
73
|
71
|
105
|
65
|
84
|
66
|
95
|
115
|
68
|
54
|
58
|
44
|
48
|
62
|
241
|
166
|
147
|
350
|
190
|
89
|
108
|
173
|
151
|
119
|
124
|
74
|
48
|
||
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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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