ID: 1327

AQSQID: 380171004

Site Name: Fargo Nw

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

Updated: Sept. 18, 2021, 7:58 p.m.

Location: Fargo (40th Ave N), ND

Reporting: True, Located: True

Current AQI: 34.0

Fargo (40th Ave N) ND, US: 46.933601, -96.854698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2021, 5 p.m. 2.5 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 4.6 μg/m3 (20) 34.0
 
Sept. 18, 2021, 4 p.m. 2.7 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.1 μg/m3 (18) 31.0
 
Sept. 18, 2021, 3 p.m. 2.8 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
Sept. 18, 2021, 2 p.m. 2.4 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
Sept. 18, 2021, 1 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Sept. 18, 2021, noon 2.9 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Sept. 18, 2021, 11 a.m. 2.8 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 3.7 μg/m3 (16) 20.0
 
Sept. 18, 2021, 10 a.m. 4.0 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 4.1 μg/m3 (18) 18.0
 
Sept. 18, 2021, 9 a.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2021, 8 a.m. 3.7 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 18, 2021, 7 a.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2021, 6 a.m. 7.2 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 18, 2021, 5 a.m. 21.5 ppb (21) 3.8 ppb (4) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 18, 2021, 4 a.m. 23.1 ppb (22) 4.3 ppb (5) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 12.6 μg/m3 (53) 53.0
 
Sept. 18, 2021, 3 a.m. 40.7 ppb (39) 18.3 ppb (18) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 18, 2021, 2 a.m. 19.8 ppb (19) 3.6 ppb (4) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 11.8 μg/m3 (50) 50.0
 
Sept. 18, 2021, 1 a.m. 4.1 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
Sept. 18, 2021, midnight 9.0 ppb (9) 2.4 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Sept. 17, 2021, 11 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.6 μg/m3 (16) 35.0
 
Sept. 17, 2021, 10 p.m. 2.1 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 3.6 μg/m3 (16) 37.0
 
Sept. 17, 2021, 9 p.m. 2.4 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 3.7 μg/m3 (16) 37.0
 
Sept. 17, 2021, 8 p.m. 2.4 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.2 μg/m3 (14) 34.0
 
Sept. 17, 2021, 7 p.m. 2.3 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
Sept. 17, 2021, 6 p.m. 2.2 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Sept. 17, 2021, 5 p.m. 2.4 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 3.9 μg/m3 (17) 30.0
 
Sept. 17, 2021, 4 p.m. 2.9 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 3.7 μg/m3 (16) 26.0
 
Sept. 17, 2021, 3 p.m. 2.7 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Sept. 17, 2021, 2 p.m. 3.5 ppb (4) 2.2 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
Sept. 17, 2021, 1 p.m. 3.3 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
Sept. 17, 2021, noon 3.5 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Sept. 17, 2021, 11 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 3.2 μg/m3 (14) 22.0
 
Sept. 17, 2021, 10 a.m. 2.9 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
Sept. 17, 2021, 9 a.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.7 μg/m3 (12) 23.0
 
Sept. 17, 2021, 8 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 2.7 μg/m3 (12) 22.0
 
Sept. 17, 2021, 7 a.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 2.9 μg/m3 (13) 21.0
 
Sept. 17, 2021, 6 a.m. 2.2 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 3.1 μg/m3 (13) 20.0
 
Sept. 17, 2021, 5 a.m. 2.1 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 3.7 μg/m3 (16) 24.0
 
Sept. 17, 2021, 4 a.m. 3.6 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 17, 2021, 3 a.m. 9.7 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2021, 2 a.m. 6.6 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 4.4 μg/m3 (19) 21.0
 
Sept. 17, 2021, 1 a.m. 5.9 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Sept. 17, 2021, midnight 5.1 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Sept. 16, 2021, 11 p.m. 3.6 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.3 μg/m3 (23) 26.0
 
Sept. 16, 2021, 10 p.m. 4.8 ppb (5) 2.4 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 16, 2021, 9 p.m. 5.1 ppb (5) 2.8 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2021, 8 p.m. 4.3 ppb (5) 2.5 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2021, 7 p.m. 4.5 ppb (5) 2.4 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 6.8 μg/m3 (29) 29.0
 
Sept. 16, 2021, 6 p.m. 5.8 ppb (6) 2.5 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 16, 2021, 5 p.m. 6.4 ppb (7) 2.4 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 8.9 μg/m3 (38) 38.0
 
Sept. 16, 2021, 4 p.m. 6.5 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 8.5 μg/m3 (36) 36.0
 
Sept. 16, 2021, 3 p.m. 5.7 ppb (6) 2.4 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 16, 2021, 2 p.m. 6.7 ppb (7) 2.8 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2021, 1 p.m. 5.9 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2021, noon 6.5 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 8.2 μg/m3 (35) 35.0
 
Sept. 16, 2021, 11 a.m. 5.2 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2021, 10 a.m. 4.5 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 8.4 μg/m3 (36) 36.0
 
Sept. 16, 2021, 9 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 16, 2021, 8 a.m. 4.1 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2021, 7 a.m. 3.7 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 8.2 μg/m3 (35) 35.0
 
Sept. 16, 2021, 6 a.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2021, 5 a.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 8.4 μg/m3 (36) 36.0
 
Sept. 16, 2021, 4 a.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2021, 3 a.m. 3.7 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 8.1 μg/m3 (34) 36.0
 
Sept. 16, 2021, 2 a.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 7.5 μg/m3 (32) 35.0
 
Sept. 16, 2021, 1 a.m. 4.2 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 7.2 μg/m3 (31) 36.0
 
Sept. 16, 2021, midnight 4.5 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 7.1 μg/m3 (30) 37.0
 
Sept. 15, 2021, 11 p.m. 4.2 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 6.2 μg/m3 (26) 35.0
 
Sept. 15, 2021, 10 p.m. 3.5 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
Sept. 15, 2021, 9 p.m. 3.5 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 7.5 μg/m3 (32) 39.0
 
Sept. 15, 2021, 8 p.m. 6.2 ppb (6) 3.7 ppb (4) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 5.9 μg/m3 (25) 37.0
 
Sept. 15, 2021, 7 p.m. 3.6 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
Sept. 15, 2021, 6 p.m. 4.0 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 5.2 μg/m3 (22) 36.0
 
Sept. 15, 2021, 5 p.m. 5.7 ppb (6) 2.3 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 4.9 μg/m3 (21) 30.0
 
Sept. 15, 2021, 4 p.m. 6.6 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 15, 2021, 3 p.m. 6.1 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Sept. 15, 2021, 2 p.m. 10.7 ppb (11) 4.9 ppb (5) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.3 μg/m3 (23) 23.0
 
Sept. 15, 2021, 1 p.m. 22.7 ppb (22) 11.2 ppb (11) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 15, 2021, noon 22.9 ppb (22) 9.8 ppb (10) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 6.1 μg/m3 (26) 26.0
 
Sept. 15, 2021, 11 a.m. 17.8 ppb (17) 4.3 ppb (5) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 5.1 μg/m3 (22) 22.0
 
Sept. 15, 2021, 10 a.m. 7.5 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 15, 2021, 9 a.m. 6.5 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 15, 2021, 8 a.m. 4.4 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 15, 2021, 7 a.m. 4.8 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2021, 6 a.m. 4.9 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2021, 5 a.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.9 μg/m3 (17) 17.0
 
Sept. 15, 2021, 4 a.m. 5.8 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.9 μg/m3 (17) 17.0
 
Sept. 15, 2021, 3 a.m. 6.5 ppb (7) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 3.9 μg/m3 (17) 18.0
 
Sept. 15, 2021, 2 a.m. 4.0 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 4.6 μg/m3 (20) 23.0
 
Sept. 15, 2021, 1 a.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
Sept. 15, 2021, midnight 3.3 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 3.6 μg/m3 (16) 27.0
 
Sept. 14, 2021, 11 p.m. 4.4 ppb (5) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 3.4 μg/m3 (15) 32.0
 
Sept. 14, 2021, 10 p.m. 3.0 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
Sept. 14, 2021, 9 p.m. 3.0 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Sept. 14, 2021, 8 p.m. 2.2 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
Sept. 14, 2021, 7 p.m. 2.5 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
Sept. 14, 2021, 6 p.m. 2.2 ppb (3) 1.9 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
Sept. 14, 2021, 5 p.m. 2.2 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 3.7 μg/m3 (16) 30.0
 
Sept. 14, 2021, 4 p.m. 2.8 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.2 μg/m3 (18) 26.0
 
Sept. 14, 2021, 3 p.m. 3.2 ppb (4) 2.4 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.6 μg/m3 (20) 22.0
 
Sept. 14, 2021, 2 p.m. 3.0 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2021, 1 p.m. 3.7 ppb (4) 2.2 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 5.3 μg/m3 (23) 23.0
 
Sept. 14, 2021, noon 3.5 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 14, 2021, 11 a.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 14, 2021, 10 a.m. 3.6 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2021, 9 a.m. 2.7 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 14, 2021, 8 a.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2021, 7 a.m. 2.8 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Sept. 14, 2021, 6 a.m. 2.4 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.7 μg/m3 (20) 24.0
 
Sept. 14, 2021, 5 a.m. 2.3 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
Sept. 14, 2021, 4 a.m. 2.7 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
Sept. 14, 2021, 3 a.m. 2.7 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 4.5 μg/m3 (19) 34.0
 
Sept. 14, 2021, 2 a.m. 2.8 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
Sept. 14, 2021, 1 a.m. 4.9 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
Sept. 14, 2021, midnight 5.1 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 13, 2021, 11 p.m. 8.8 ppb (9) 2.4 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 5.9 μg/m3 (25) 30.0
 
Sept. 13, 2021, 10 p.m. 14.3 ppb (14) 2.7 ppb (3) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 9 p.m. 11.1 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 6.3 μg/m3 (27) 27.0
 
Sept. 13, 2021, 8 p.m. 14.6 ppb (14) 3.5 ppb (4) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 6.2 μg/m3 (26) 28.0
 
Sept. 13, 2021, 7 p.m. 7.5 ppb (8) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 13, 2021, 6 p.m. 5.8 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 5 p.m. 5.5 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 7.2 μg/m3 (31) 32.0
 
Sept. 13, 2021, 4 p.m. 5.2 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 6.3 μg/m3 (27) 31.0
 
Sept. 13, 2021, 3 p.m. 5.6 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 13, 2021, 2 p.m. 5.8 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 6.3 μg/m3 (27) 27.0
 
Sept. 13, 2021, 1 p.m. 10.7 ppb (11) 3.3 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 13, 2021, noon 9.8 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 13, 2021, 11 a.m. 6.7 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 13, 2021, 10 a.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 13, 2021, 9 a.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 13, 2021, 8 a.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Sept. 13, 2021, 7 a.m. 8.8 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2021, 6 a.m. 10.1 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 13, 2021, 5 a.m. 5.8 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 6.5 μg/m3 (28) 28.0
 
Sept. 13, 2021, 4 a.m. 6.1 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 13, 2021, 3 a.m. 4.7 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 5.6 μg/m3 (24) 24.0
 
Sept. 13, 2021, 2 a.m. 8.6 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2021, 1 a.m. 7.4 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 7.7 μg/m3 (33) 33.0
 
Sept. 13, 2021, midnight 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
Sept. 12, 2021, 11 p.m. 3.2 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.1 μg/m3 (18) 32.0
 
Sept. 12, 2021, 10 p.m. 1.9 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Sept. 12, 2021, 9 p.m. 1.8 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
Sept. 12, 2021, 8 p.m. 1.8 ppb (2) 1.4 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 3.9 μg/m3 (17) 33.0
 
Sept. 12, 2021, 7 p.m. 1.6 ppb (2) 1.3 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Sept. 12, 2021, 6 p.m. 1.8 ppb (2) 1.3 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 12, 2021, 5 p.m. 0.6 ppb (1) 0.9 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
Sept. 12, 2021, 4 p.m. 1.1 ppb (2) 1.1 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 3.9 μg/m3 (17) 24.0
 
Sept. 12, 2021, 3 p.m. 2.1 ppb (2) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 4.1 μg/m3 (18) 21.0
 
Sept. 12, 2021, 2 p.m. 2.8 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 12, 2021, 1 p.m. 3.6 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 12, 2021, noon 3.5 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2021, 11 a.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 12, 2021, 10 a.m. 4.2 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 5.1 μg/m3 (22) 22.0
 
Sept. 12, 2021, 9 a.m. 3.9 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2021, 8 a.m. 5.1 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 12, 2021, 7 a.m. 5.0 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 12, 2021, 6 a.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 12, 2021, 5 a.m. 2.7 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 4.4 μg/m3 (19) 22.0
 
Sept. 12, 2021, 4 a.m. 2.0 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 5.1 μg/m3 (22) 25.0
 
Sept. 12, 2021, 3 a.m. 3.3 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2021, 2 a.m. 4.4 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 12, 2021, 1 a.m. 3.6 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.2 μg/m3 (22) 27.0
 
Sept. 12, 2021, midnight 2.8 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 5.4 μg/m3 (23) 29.0
 
Sept. 11, 2021, 11 p.m. 2.5 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.1 μg/m3 (18) 32.0
 
Sept. 11, 2021, 10 p.m. 2.2 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 3.5 μg/m3 (15) 36.0
 
Sept. 11, 2021, 9 p.m. 2.1 ppb (2) 1.7 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
Sept. 11, 2021, 8 p.m. 2.1 ppb (2) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 2.9 μg/m3 (13) 34.0
 
Sept. 11, 2021, 7 p.m. 2.3 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
Sept. 11, 2021, 6 p.m. 2.1 ppb (2) 1.7 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 2.9 μg/m3 (13) 31.0