ID: 1364

AQSQID: 000030120

Site Name: Lake Major

Added: April 21, 2020, 6:24 p.m.

Updated: May 25, 2022, 9:49 p.m.

Location: Lake Loon (Cherry Brook Rd), CC

Reporting: True, Located: True

Current AQI: 32.0

Lake Loon (Cherry Brook Rd) CC, CA: 44.7197, -63.4819

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2022, 8 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.9 μg/m3 (13) 32.0
 
May 25, 2022, 7 p.m. 0.2 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.9 μg/m3 (13) 30.0
 
May 25, 2022, 7 p.m. 0.2 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.9 μg/m3 (13) 30.0
 
May 25, 2022, 6 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
May 25, 2022, 6 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
May 25, 2022, 5 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.9 μg/m3 (13) 29.0
 
May 25, 2022, 5 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.9 μg/m3 (13) 29.0
 
May 25, 2022, 4 p.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
May 25, 2022, 3 p.m. 0.2 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.9 μg/m3 (13) 29.0
 
May 25, 2022, 3 p.m. 0.2 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.9 μg/m3 (13) 29.0
 
May 25, 2022, 2 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.9 μg/m3 (13) 28.0
 
May 25, 2022, 1 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
May 25, 2022, 9 a.m. 0.7 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 1.9 μg/m3 (8) 8.0
 
May 25, 2022, 5 a.m. 0.2 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 2.4 μg/m3 (10) 10.0
 
May 25, 2022, 4 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 2.9 μg/m3 (13) 13.0
 
May 25, 2022, 1 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 4.2 μg/m3 (18) 18.0
 
May 25, 2022, midnight 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 4.5 μg/m3 (19) 19.0
 
May 24, 2022, 9 p.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.4 μg/m3 (15) 28.0
 
May 24, 2022, 8 p.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
May 24, 2022, 7 p.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 3.3 μg/m3 (14) 37.0
 
May 24, 2022, 6 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
May 24, 2022, 5 p.m. 0.7 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.7 μg/m3 (16) 31.0
 
May 24, 2022, 4 p.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.4 μg/m3 (15) 31.0
 
May 24, 2022, 3 p.m. -0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.3 μg/m3 (14) 30.0
 
May 24, 2022, 2 p.m. 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 24, 2022, 1 p.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
May 24, 2022, noon 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
May 24, 2022, 10 a.m. -0.1 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
May 24, 2022, 9 a.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.6 μg/m3 (16) 22.0
 
May 24, 2022, 8 a.m. -0.1 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
May 24, 2022, 6 a.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.8 μg/m3 (16) 19.0
 
May 24, 2022, 5 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
May 24, 2022, 5 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
May 24, 2022, 4 a.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
May 24, 2022, 4 a.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
May 24, 2022, 3 a.m. 0.3 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
May 24, 2022, 3 a.m. 0.3 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
May 24, 2022, 2 a.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
May 24, 2022, 2 a.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
May 24, 2022, 1 a.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
May 24, 2022, 1 a.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
May 24, 2022, midnight 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.9 μg/m3 (13) 23.0
 
May 24, 2022, midnight 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.9 μg/m3 (13) 23.0
 
May 23, 2022, 11 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
May 23, 2022, 11 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
May 23, 2022, 8 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.7 μg/m3 (16) 21.0
 
May 23, 2022, 7 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
May 23, 2022, 6 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.7 μg/m3 (16) 19.0
 
May 23, 2022, 3 p.m. 0.2 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 2.9 μg/m3 (13) 16.0
 
May 23, 2022, 2 p.m. 0.3 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 6.8 μg/m3 (29) 29.0
 
May 23, 2022, 11 a.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 7.4 μg/m3 (31) 31.0
 
May 23, 2022, 10 a.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 23, 2022, 10 a.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 23, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 6.9 μg/m3 (29) 29.0
 
May 23, 2022, 3 a.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
May 23, 2022, 2 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
May 23, 2022, 1 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.6 μg/m3 (16) 28.0
 
May 23, 2022, midnight 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.6 μg/m3 (16) 26.0
 
May 22, 2022, 11 p.m. 0.1 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
May 22, 2022, 9 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.7 μg/m3 (12) 32.0
 
May 22, 2022, 8 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
May 22, 2022, 7 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 22, 2022, 6 p.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
May 22, 2022, 5 p.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.4 μg/m3 (23) 31.0
 
May 22, 2022, 4 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.9 μg/m3 (21) 29.0
 
May 22, 2022, 3 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.7 μg/m3 (20) 27.0
 
May 22, 2022, 2 p.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.2 μg/m3 (18) 26.0
 
May 22, 2022, 1 p.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
May 22, 2022, 1 p.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
May 22, 2022, noon 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
May 22, 2022, 11 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
May 22, 2022, 10 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
May 22, 2022, 9 a.m. 0.2 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
May 22, 2022, 8 a.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 4.2 μg/m3 (18) 20.0
 
May 22, 2022, 7 a.m. -0.2 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.3 μg/m3 (23) 28.0
 
May 22, 2022, 5 a.m. -0.3 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.2 μg/m3 (26) 30.0
 
May 22, 2022, 3 a.m. -0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.5 μg/m3 (28) 29.0
 
May 22, 2022, 2 a.m. -0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.5 μg/m3 (28) 30.0
 
May 22, 2022, 1 a.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.4 μg/m3 (27) 31.0
 
May 22, 2022, midnight 0.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.2 μg/m3 (26) 30.0
 
May 21, 2022, 11 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.9 μg/m3 (25) 32.0
 
May 21, 2022, 10 p.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.3 μg/m3 (23) 35.0
 
May 21, 2022, 9 p.m. 0.3 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
May 21, 2022, 8 p.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.7 μg/m3 (20) 38.0
 
May 21, 2022, 7 p.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
May 21, 2022, 6 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.7 μg/m3 (20) 38.0
 
May 21, 2022, 5 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
May 21, 2022, 4 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
May 21, 2022, 3 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.5 μg/m3 (19) 39.0
 
May 21, 2022, 2 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.3 μg/m3 (18) 39.0
 
May 21, 2022, 1 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.3 μg/m3 (18) 39.0
 
May 21, 2022, 1 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.3 μg/m3 (18) 39.0
 
May 21, 2022, noon 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.6 μg/m3 (20) 38.0
 
May 21, 2022, 10 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.3 μg/m3 (23) 26.0
 
May 21, 2022, 9 a.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.7 μg/m3 (24) 24.0
 
May 21, 2022, 8 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.9 μg/m3 (21) 21.0
 
May 21, 2022, 4 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
May 21, 2022, 3 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
May 21, 2022, 2 a.m. 0.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.8 μg/m3 (25) 28.0
 
May 21, 2022, 1 a.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.1 μg/m3 (26) 30.0
 
May 21, 2022, midnight 1.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
May 20, 2022, 11 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 5.4 μg/m3 (23) 36.0
 
May 20, 2022, 10 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
May 20, 2022, 9 p.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 4.6 μg/m3 (20) 38.0
 
May 20, 2022, 7 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.4 μg/m3 (19) 39.0
 
May 20, 2022, 6 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
May 20, 2022, 5 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.5 μg/m3 (19) 39.0
 
May 20, 2022, 4 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
May 20, 2022, 3 p.m. 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.7 μg/m3 (20) 39.0
 
May 20, 2022, 2 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.5 μg/m3 (19) 37.0
 
May 20, 2022, 1 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 4.7 μg/m3 (20) 33.0
 
May 20, 2022, 11 a.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
May 20, 2022, 10 a.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 5.2 μg/m3 (22) 29.0
 
May 20, 2022, 9 a.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.5 μg/m3 (23) 24.0
 
May 20, 2022, 8 a.m. -0.2 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
May 20, 2022, 7 a.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.7 μg/m3 (24) 24.0
 
May 20, 2022, 6 a.m. -0.1 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.8 μg/m3 (25) 25.0
 
May 20, 2022, 5 a.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.8 μg/m3 (25) 25.0
 
May 20, 2022, 4 a.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 6.1 μg/m3 (26) 26.0
 
May 20, 2022, 3 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 6.6 μg/m3 (28) 28.0
 
May 20, 2022, 2 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
May 20, 2022, 1 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 20, 2022, 1 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.3 μg/m3 (27) 27.0
 
May 20, 2022, midnight 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.1 μg/m3 (22) 26.0
 
May 20, 2022, midnight 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.1 μg/m3 (22) 26.0
 
May 19, 2022, 11 p.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
May 19, 2022, 11 p.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
May 19, 2022, 10 p.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
May 19, 2022, 9 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.1 μg/m3 (18) 37.0
 
May 19, 2022, 9 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.1 μg/m3 (18) 37.0
 
May 19, 2022, 8 p.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
May 19, 2022, 7 p.m. 0.3 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
May 19, 2022, 7 p.m. 0.3 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
May 19, 2022, 4 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.1 μg/m3 (22) 33.0
 
May 19, 2022, 6 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
May 19, 2022, 5 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
May 19, 2022, 4 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 19, 2022, 3 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 3.8 μg/m3 (16) 16.0
 
May 19, 2022, 2 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.4 μg/m3 (15) 18.0
 
May 19, 2022, 1 a.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 3.2 μg/m3 (14) 20.0
 
May 18, 2022, 11 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.5 μg/m3 (11) 23.0
 
May 18, 2022, 10 p.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
May 18, 2022, 9 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
May 18, 2022, 8 p.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
May 18, 2022, 7 p.m. 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
May 18, 2022, 5 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
May 18, 2022, 4 p.m. 0.3 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 18, 2022, 4 p.m. 0.3 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 18, 2022, 3 p.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 18, 2022, 3 p.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.7 μg/m3 (8) 26.0
 
May 18, 2022, 2 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
May 18, 2022, 2 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
May 18, 2022, 1 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.4 μg/m3 (15) 24.0
 
May 18, 2022, 1 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.4 μg/m3 (15) 24.0
 
May 18, 2022, noon 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
May 18, 2022, noon 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
May 18, 2022, 11 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.9 μg/m3 (21) 23.0
 
May 18, 2022, 10 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 6.6 μg/m3 (28) 28.0
 
May 18, 2022, 2 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.6 μg/m3 (28) 29.0
 
May 18, 2022, 1 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 18, 2022, midnight 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 8.4 μg/m3 (36) 36.0
 
May 17, 2022, 11 p.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 8.5 μg/m3 (36) 36.0
 
May 17, 2022, 10 p.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 17, 2022, 9 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.6 μg/m3 (28) 31.0
 
May 17, 2022, 9 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.6 μg/m3 (28) 31.0
 
May 17, 2022, 8 p.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.4 μg/m3 (23) 31.0
 
May 17, 2022, 7 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.9 μg/m3 (21) 31.0
 
May 17, 2022, 7 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.9 μg/m3 (21) 31.0