Small East Gate, Ningbo, Zhejiang, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

September Air Quality Analysis
Small East Gate, Ningbo, Zhejiang, China

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	56	64	47		64
Sep. 2	53	69	53	41	89
Sep. 3	54	61	65	54	105
Sep. 4	55	58	45	26	58
Sep. 5	56		53	30	51
Sep. 6	57	84	61	86	96
Sep. 7	65	85	64	96	89
Sep. 8	56	62	68	95	53
Sep. 9	55	57	62		58
Sep. 10	54	65	66	65	59
Sep. 11	56	41	68	56	50
Sep. 12	57	52	57	72	20
Sep. 13	60	26	56	43	13
Sep. 14	55	36	58	21	41
Sep. 15	58	39	56	28	69
Sep. 16	55	28	72	72	67
Sep. 17	54	25	74	106	83
Sep. 18	52	35	76	66	101
Sep. 19	48	30	57	79	84
Sep. 20	54	32	46	47	79
Sep. 21	51	42	36	54	69
Sep. 22	50	46	44	63	82
Sep. 23	46	46	41	83	77
Sep. 24	45	68	60	48	74
Sep. 25	34	90	84	54	78
Sep. 26	28	73	66	58	69
Sep. 27	33	51	85	57	88
Sep. 28	45	67	74	63	98
Sep. 29	63	67	71	57	91
Sep. 30	53	46	85	79	51

AQI Trends: Highest and Lowest

Highest AQI recorded on

17th Sep 2022

106AQI

Lowest AQI recorded on

13th Sep 2021

13AQI

Same Day Analysis (30th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 53 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.

2025 Days Vs Air Quality
Small East Gate, Ningbo, Zhejiang, China

2025

19%

69%

188

11%

0.7%

0.3%

Total number of days with different AQI categories in last 274 days in 2025 (91 days remaining)

Good

51 Days

Moderate

188 Days

Poor

31 Days

Unhealthy

2 Days

Severe

0 Days

Hazardous

1 Days

Under WHO’s Safe Air Quality Limits: 19%

Health Risk Level:

Extreme

In 2025, 19% of 274 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights
Small East Gate, Ningbo, Zhejiang, China

AQI levels in 2025

AQI

PM2.5

PM10

SO2

NO2

Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

110AQI

91AQI

79AQI

90AQI

68AQI

55AQI

47AQI

52AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202571AQI

188

Highest AQI recorded in

January

110AQI

Lowest AQI recorded in

July

47AQI

202475AQI

170

Highest AQI recorded in

January

144AQI

Lowest AQI recorded in

May

45AQI

202379AQI

177

Highest AQI recorded in

December

119AQI

Lowest AQI recorded in

July

50AQI

202277AQI

188

Highest AQI recorded in

January

110AQI

Lowest AQI recorded in

June

57AQI

202174AQI

151

Highest AQI recorded in

December

120AQI

Lowest AQI recorded in

July

49AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded

2023(Avg.)

79AQI

Least Polluted Year Recorded

2025(Avg.)

71AQI

Small East Gate's annual 2025 AQI (71) shows an average percentage change of -6.2% (improved AQI) compared to previous years: 2021 (74), 2022 (77), 2023 (79), 2024 (75).

Small East Gate, Ningbo, Zhejiang, China Historical Air Quality Analysis

September Air Quality AnalysisSmall East Gate, Ningbo, Zhejiang, China

2025 Days Vs Air Quality Small East Gate, Ningbo, Zhejiang, China

Annual Air Quality InsightsSmall East Gate, Ningbo, Zhejiang, China

AQI levels in 2025

No. of days

September Air Quality Analysis
Small East Gate, Ningbo, Zhejiang, China

2025 Days Vs Air Quality
Small East Gate, Ningbo, Zhejiang, China

Annual Air Quality Insights
Small East Gate, Ningbo, Zhejiang, China