Ecatepec, Mexico, Mexico 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
Ecatepec, Mexico, Mexico

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	37	37	33	34	49
Sep. 2		36	35	33	52
Sep. 3		43	39	37	44
Sep. 4			32	30	55
Sep. 5			32	27	63
Sep. 6		47	34	38	45
Sep. 7		50	29	38	46
Sep. 8		49	24		50
Sep. 9		61	26	43	39
Sep. 10		68	25	63	41
Sep. 11		74	30	47
Sep. 12		54	26	35	59
Sep. 13		70	40	46	29
Sep. 14		79	43	47	21
Sep. 15		77	29	60	73
Sep. 16		104	29	30	70
Sep. 17		93	30	45	76
Sep. 18		83	26	36	56
Sep. 19		88	41	41	28
Sep. 20		71	48	30	52
Sep. 21		71	52	37	67
Sep. 22		64	45	31	46
Sep. 23		58	50	38	45
Sep. 24		49	34	47	57
Sep. 25		54	43	61	72
Sep. 26		53	39	43	64
Sep. 27		48	61	23	42
Sep. 28		52		31	63
Sep. 29		69		38	81
Sep. 30		70		87	75

AQI Trends: Highest and Lowest

Highest AQI recorded on

16th Sep 2024

104AQI

Lowest AQI recorded on

14th Sep 2021

21AQI

Same Day Analysis (1st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 37 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025
Ecatepec, Mexico, Mexico

AQI

Day

Night

7 AM2nd Sep 2025

8 PM

6 AM3rd Sep 2025

Day time

Avg. Highest Time

9AM2nd Sep

38AQI

Avg. Lowest Time

6PM2nd Sep

27AQI

Night time

Avg. Highest Time

11PM2nd Sep

34AQI

Avg. Lowest Time

9PM2nd Sep

28AQI

In the last 24 hours,

Ecatepec's AQI reached its highest point of 38 at 9 AM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 2nd Sep and 3rd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Ecatepec, Mexico, Mexico

AugSep

04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd

Day

Night

17°C12/27°C

16°C11/25°C

16°C11/20°C

16°C12/23°C

17°C12/24°C

17°C12/25°C

17°C13/23°C

17°C13/26°C

18°C12/25°C

18°C14/24°C

17°C14/24°C

17°C12/24°C

17°C13/24°C

16°C11/23°C

17°C12/23°C

16°C11/24°C

17°C12/23°C

16°C13/21°C

17°C13/24°C

17°C12/23°C

17°C14/23°C

17°C14/24°C

17°C13/24°C

16°C13/23°C

17°C14/24°C

17°C12/25°C

16°C13/22°C

16°C12/22°C

16°C13/22°C

17°C13/26°C

7 AM

1 PM

8 PM

1 AM

6 AM

--°C/°C

Day time

Avg. Highest Time

11 AM - 5 PM

43AQI

7 hours / Day

210 hours / Month

Avg. Lowest Time

6 PM - 8 PM

40AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 43), while the lowest AQI was between 6 PM to 8 PM (Avg. 40).

Night time

Avg. Highest Time

1 AM

42AQI

1 hours / Day

30 hours / Month

Avg. Lowest Time

2 AM - 5 AM

40AQI

4 hours / Day

120 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 42), while the lowest AQI was between 2 AM to 5 AM (Avg. 40).

2025 Days Vs Air Quality
Ecatepec, Mexico, Mexico

2025

26%

73%

177

0.8%

0.4%

Total number of days with different AQI categories in last 246 days in 2025 (119 days remaining)

Good

64 Days

Moderate

177 Days

Poor

2 Days

Unhealthy

1 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 26%

Health Risk Level:

Very high

In 2025, 26% of 246 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights
Ecatepec, Mexico, Mexico

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.

81AQI

65AQI

72AQI

74AQI

70AQI

42AQI

47AQI

41AQI

37AQI

No. of days

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

202561AQI

177

Highest AQI recorded in

January

81AQI

Lowest AQI recorded in

September

37AQI

202453AQI

112

126

Highest AQI recorded in

December

76AQI

Lowest AQI recorded in

January

15AQI

202347AQI

150

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

November

9AQI

202268AQI

229

Highest AQI recorded in

March

83AQI

Lowest AQI recorded in

September

41AQI

202165AQI

204

Highest AQI recorded in

March

85AQI

Lowest AQI recorded in

August

51AQI

202065AQI

159

Highest AQI recorded in

May

85AQI

Lowest AQI recorded in

September

49AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded

2022(Avg.)

68AQI

Least Polluted Year Recorded

2023(Avg.)

47AQI

Ecatepec's annual 2025 AQI (61) shows an average percentage change of 4.9% (worsened AQI) compared to previous years: 2020 (65), 2021 (65), 2022 (68), 2023 (47), 2024 (53).


7 AM	29
8 AM	32
9 AM	38
10 AM	34
11 AM	36
12 PM	37
1 PM	32
2 PM	28
3 PM	27
4 PM	27
5 PM	29
6 PM	27
7 PM	30
8 PM	33
9 PM	28
10 PM	32
11 PM	34
12 AM	30
1 AM	29
2 AM	30
3 AM
4 AM
5 AM
6 AM

Ecatepec, Mexico, Mexico Historical Air Quality Analysis

September Air Quality AnalysisEcatepec, Mexico, Mexico

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025Ecatepec, Mexico, Mexico

Day & Night AQI Trend : Aug - Sep 2025Ecatepec, Mexico, Mexico

2025 Days Vs Air Quality Ecatepec, Mexico, Mexico

Annual Air Quality InsightsEcatepec, Mexico, Mexico

AQI levels in 2025

No. of days

September Air Quality Analysis
Ecatepec, Mexico, Mexico

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025
Ecatepec, Mexico, Mexico

Day & Night AQI Trend : Aug - Sep 2025
Ecatepec, Mexico, Mexico

2025 Days Vs Air Quality
Ecatepec, Mexico, Mexico

Annual Air Quality Insights
Ecatepec, Mexico, Mexico